tetarto-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

Origin: A borrowing from Greek. Etymon: Greek τεταρτο-.

Etymology: < ancient Greek τεταρτο-, combining form (in e.g. τεταρτημόριον fourth part) of τέταρτος fourth (see fourth adj.). Compare tetra- comb. form.Compare scientific Latin tetarto-, German tetarto-.

1. In scientific terms belonging chiefly to crystallography.

tetartohedral adj.

Brit.

/tᵻˌtɑːtə(ʊ)ˈhiːdrəl/

/tɛˌtɑːtə(ʊ)ˈhiːdrəl/

U.S.

/təˌtɑrdoʊˈhidrəl/

/tɛˌtɑrdoʊˈhidrəl/

having one fourth of the number of faces required by the highest or holohedral degree of symmetry belonging to its system.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > tetartohedral

tetartohedric1854

tetartohedral1858

tetartohedrical1860

1858 J. D. Dana Min. (ed. 4) 49 They are tetartohedral forms, or contain only one-fourth the number of planes occurring under complete symmetry.

1864 H. Watts Dict. Chem. II. 144 Quartz likewise exhibits other forms of tetartohedral development.

1888 F. Rutley Rock-forming Minerals 64 The development of certain plagihedral, or tetartohedral, faces.

tetartohedrally adv.

Brit.

/tᵻˌtɑːtə(ʊ)ˈhiːdrəli/

/tɛˌtɑːtə(ʊ)ˈhiːdrəli/

U.S.

/təˌtɑrdoʊˈhidrəli/

/tɛˌtɑrdoʊˈhidrəli/

in a tetartohedral manner.

ΚΠ

1864 Webster's Amer. Dict. Eng. Lang. Tetartohedrally.

tetartohedric adj.

Brit.

/tᵻˌtɑːtə(ʊ)ˈhiːdrɪk/

/tɛˌtɑːtə(ʊ)ˈhiːdrɪk/

U.S.

/təˌtɑrdoʊˈhidrɪk/

/tɛˌtɑrdoʊˈhidrɪk/

= tetartohedral adj.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > tetartohedral

tetartohedric1854

tetartohedral1858

tetartohedrical1860

1854 Pereira's Pol. Light 234 Doubly oblique prismatic system..or the tetartohedric-rhombic system.

tetartohedrical adj.

Brit.

/tᵻˌtɑːtə(ʊ)ˈhiːdrᵻkl/

/tɛˌtɑːtə(ʊ)ˈhiːdrᵻkl/

U.S.

/təˌtɑrdoʊˈhidrək(ə)l/

/tɛˌtɑrdoʊˈhidrək(ə)l/

= tetartohedral adj.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > tetartohedral

tetartohedric1854

tetartohedral1858

tetartohedrical1860

1860 R. G. Mayne Expos. Lexicon Med. Sci. Tetartohedrical.

tetartohedrism n.

Brit.

/tᵻˌtɑːtə(ʊ)ˈhiːdrɪz(ə)m/

/tɛˌtɑːtə(ʊ)ˈhiːdrɪz(ə)m/

U.S.

/təˌtɑrdoʊˈhiˌdrɪz(ə)m/

/tɛˌtɑrdoʊˈhiˌdrɪz(ə)m/

the property or quality of crystallizing in tetartohedral forms; the condition in which a crystal symmetrically develops only one fourth of the number of planes demanded by holohedral symmetry.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [noun] > tetartohedrism

tetartohedrism1854

tetartohedry1864

1854 J. D. Dana Min. (ed. 4) I. 49 A form of this kind..is found in Titanic Iron, and is called rhombohedral tetartohedrism.

1895 N. Story-Maskelyne Crystallogr. 160 The ambiguity in which the terms hemihedrism, tetartohedrism, etc. are involved.

tetartohedron n.

Brit.

/tᵻˌtɑːtə(ʊ)ˈhiːdrən/

/tɛˌtɑːtə(ʊ)ˈhiːdrən/

U.S.

/təˌtɑrdoʊˈhidrən/

/tɛˌtɑrdoʊˈhidrən/

a tetartohedral crystal.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [noun]

tripyramid1828

trisoctahedron1837

fluoroid1850

sphenoid1855

discalenohedron1872

prism1878

tetrakis-hexahedron1878

galenoid1882

macroprism1883

semi-form1895

tetartohedron1895

tetrakisdodecahedron1895

trichite1900

1895 N. Story-Maskelyne Crystallogr. 231 There can only be a single kind of tetartohedron in the Cubic system.

tetartohedry n.

Brit.

/tᵻˌtɑːtə(ʊ)ˈhiːdri/

/tɛˌtɑːtə(ʊ)ˈhiːdri/

U.S.

/təˌtɑrdoʊˈhidri/

/tɛˌtɑrdoʊˈhidri/

= tetartohedrism n.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [noun] > tetartohedrism

tetartohedrism1854

tetartohedry1864

1864 H. Watts Dict. Chem. II. 144 Tetartohedry. Quartz affords a remarkable example of a combination in which only one-fourth of the possible faces are present.

tetartohexagonal adj.

Brit.

/tᵻˌtɑːtə(ʊ)hɛkˈsaɡənl/

/tᵻˌtɑːtə(ʊ)hɛkˈsaɡn̩l/

/tɛˌtɑːtə(ʊ)hɛkˈsaɡənl/

/tɛˌtɑːtə(ʊ)hɛkˈsaɡn̩l/

U.S.

/təˌtɑrdoʊˌhɛkˈsæɡən(ə)l/

/tɛˌtɑrdoʊˌhɛkˈsæɡən(ə)l/

having one quarter of the number of normals belonging to the hexagonal system.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > miscellaneous others

secondary1816

trapezian1816

triacontahedral1816

tri-dodecahedral1816

tri-hexahedral1816

tri-octahedral1816

tri-rhomboidal1816

octodecimal1817

octoduodecimal1817

octosexdecimal1817

pentahexahedral1817

octahedrala1824

trigonal1878

pinacoidal1879

tetartopyramid1891

trisoctahedral1891

tetartohexagonal1895

tetartosystematic1895

1895 N. Story-Maskelyne Crystallogr. 284 Six faces corresponding to three normals: tetarto-hexagonal diplohedral forms. Three faces corresponding to three normals: tetarto-hexagonal haplohedral forms.

tetartoprismatic adj.

Brit.

/tᵻˌtɑːtə(ʊ)prɪzˈmatɪk/

/tɛˌtɑːtə(ʊ)prɪzˈmatɪk/

U.S.

/təˌtɑrdoʊˌprɪzˈmædɪk/

/tɛˌtɑrdoʊˌprɪzˈmædɪk/

see quots. [Compare German tetartoprismatisch (1820 in Mohs).]

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > crystal habit > [adjective] > prismatic > tetartoprismatic

tetartoprismatic1847

1847 Webster's Amer. Dict. Eng. Lang. Tetartoprismatic,..one fourth prismatic, applied to oblique rhombic prisms.—Mohs.

1851 Richardson's Geol. (1855) v. 98 Classification of Mohs..V. The Tetarto-Prismatic is composed of the oblique rhomboidal prism.

tetartopyramid n.

Brit.

/tᵻˌtɑːtə(ʊ)ˈpɪrəmɪd/

/tɛˌtɑːtə(ʊ)ˈpɪrəmɪd/

U.S.

/təˌtɑrdoʊˈpɪrəˌmɪd/

/tɛˌtɑrdoʊˈpɪrəˌmɪd/

see quot.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > miscellaneous others

secondary1816

trapezian1816

triacontahedral1816

tri-dodecahedral1816

tri-hexahedral1816

tri-octahedral1816

tri-rhomboidal1816

octodecimal1817

octoduodecimal1817

octosexdecimal1817

pentahexahedral1817

octahedrala1824

trigonal1878

pinacoidal1879

tetartopyramid1891

trisoctahedral1891

tetartohexagonal1895

tetartosystematic1895

1891 Cent. Dict. Tetartopyramid,..a quarter-pyramid: said of the pyramidal planes of the triclinic system, which appear in sets of two (that is, one fourth the number required by a complete pyramid).

tetartosymmetric adj.

Brit.

/tᵻˌtɑːtə(ʊ)sᵻˈmɛtrɪk/

/tɛˌtɑːtə(ʊ)sᵻˈmɛtrɪk/

U.S.

/təˌtɑrdoʊsəˈmɛtrɪk/

/tɛˌtɑrdoʊsəˈmɛtrɪk/

= tetartosymmetrical adj.

tetartosymmetrical adj.

Brit.

/tᵻˌtɑːtə(ʊ)sᵻˈmɛtrᵻkl/

/tɛˌtɑːtə(ʊ)sᵻˈmɛtrᵻkl/

U.S.

/təˌtɑrdoʊsəˈmɛtrək(ə)l/

/tɛˌtɑrdoʊsəˈmɛtrək(ə)l/

see quot.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > [adjective] > types of > others

tautohedral1875

holosystematic1878

tautomorphous1895

tetartosymmetrical1895

holoaxial1902

1895 N. Story-Maskelyne Crystallogr. 159 Mero-symmetrical forms may be hemi-symmetrical..tetarto-symmetrical, presenting one-quarter only of the faces of the holo-symmetrical form.

tetartosymmetry n.

Brit.

/tᵻˌtɑːtə(ʊ)ˈsɪmᵻtri/

/tɛˌtɑːtə(ʊ)ˈsɪmᵻtri/

U.S.

/təˌtɑrdoʊˈsɪmətri/

/tɛˌtɑrdoʊˈsɪmətri/

a variety of merosymmetry, in which only one fourth of the faces of the holosymmetrical form are retained.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > [noun] > types of

orthosymmetry1878

trigonal symmetry1878

holosymmetry1895

tetartosymmetry1895

self-coincidence1904

1895 N. Story-Maskelyne Crystallogr. 160 Tetarto-symmetry, where the form is (i) hemi~systematic and haplohedral, (ii) tetarto-systematic and diplohedral.

tetartosystematic adj.

Brit.

/tᵻˌtɑːtə(ʊ)sɪstᵻˈmatɪk/

/tɛˌtɑːtə(ʊ)sɪstᵻˈmatɪk/

U.S.

/təˌtɑrdoʊˌsɪstəˈmædɪk/

/tɛˌtɑrdoʊˌsɪstəˈmædɪk/

said of a form in which only one fourth of the origin-planes are extant.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > miscellaneous others

secondary1816

trapezian1816

triacontahedral1816

tri-dodecahedral1816

tri-hexahedral1816

tri-octahedral1816

tri-rhomboidal1816

octodecimal1817

octoduodecimal1817

octosexdecimal1817

pentahexahedral1817

octahedrala1824

trigonal1878

pinacoidal1879

tetartopyramid1891

trisoctahedral1891

tetartohexagonal1895

tetartosystematic1895

1895 N. Story-Maskelyne Crystallogr. 308 Tetarto-systematic haplohedral forms.

tetartocone n.

Brit.

/tᵻˈtɑːtə(ʊ)kəʊn/

/tɛˈtɑːtə(ʊ)kəʊn/

U.S.

/təˈtɑrdəˌkoʊn/

/tɛˈtɑrdəˌkoʊn/

the posterior internal cusp of an upper premolar tooth.

ΚΠ

1896 Proc. Zool. Soc. 5 May 563 (Premolars) The antero-external cusp (protocone of Scott)..develops first, the antero-internal or deuterocone second, and the tetartocone third, the tritocone being wanting.

tetartophyia n.

Brit.

/tᵻˌtɑːtə(ʊ)ˈfʌɪə/

/tɛˌtɑːtə(ʊ)ˈfʌɪə/

U.S.

/təˌtɑrdoʊˈfaɪə/

/tɛˌtɑrdoʊˈfaɪə/

Pathology a remitting quartan fever. [ < scientific Latin tetartophya (1752 or earlier; also tetartophia (1759 or earlier), tetartophyia (1821 or earlier)) < tetarto- tetarto- comb. form + ancient Greek ϕυή growth (see anthropophuism n.) + -ia -ia suffix¹; a Greek form τεταρτοϕυϊα is recorded in a German medical dictionary of 1821 but this form is apprently not attested in Greek.]

ΘΚΠ

the world > health and disease > ill health > a disease > fever > [noun] > fever of specific duration

tertian1362

quartana1387

quotidiana1398

ephemera1398

quarterna1568

day-fever1601

nonan1601

quintan1601

septimane1601

sextan1601

semitertian1609

triple quartan1625

diary1640

septan1657

third ague1674

quartanary1684

subintrant1684

intermittent1693

nonary1747

seven day fever1788

octan1799

third-day ague1818

type-fever1819

triple tertian1822

triplicate quartan (ague)1822

tetartophyia1842

1842 R. Dunglison Med. Lexicon (ed. 3) Tetartophia, a quartan, in which the intermission is inordinately short or imperfect.

1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. Tetartophyia.

This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2022).

单词	tetarto-
释义	tetarto-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Origin: A borrowing from Greek. Etymon: Greek τεταρτο-. Etymology: < ancient Greek τεταρτο-, combining form (in e.g. τεταρτημόριον fourth part) of τέταρτος fourth (see fourth adj.). Compare tetra- comb. form.Compare scientific Latin tetarto-, German tetarto-. 1. In scientific terms belonging chiefly to crystallography. tetartohedral adj. Brit. /tᵻˌtɑːtə(ʊ)ˈhiːdrəl/ , /tɛˌtɑːtə(ʊ)ˈhiːdrəl/ , U.S. /təˌtɑrdoʊˈhidrəl/ , /tɛˌtɑrdoʊˈhidrəl/ having one fourth of the number of faces required by the highest or holohedral degree of symmetry belonging to its system. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > tetartohedral tetartohedric1854 tetartohedral1858 tetartohedrical1860 1858 J. D. Dana Min. (ed. 4) 49 They are tetartohedral forms, or contain only one-fourth the number of planes occurring under complete symmetry. 1864 H. Watts Dict. Chem. II. 144 Quartz likewise exhibits other forms of tetartohedral development. 1888 F. Rutley Rock-forming Minerals 64 The development of certain plagihedral, or tetartohedral, faces. tetartohedrally adv. Brit. /tᵻˌtɑːtə(ʊ)ˈhiːdrəli/ , /tɛˌtɑːtə(ʊ)ˈhiːdrəli/ , U.S. /təˌtɑrdoʊˈhidrəli/ , /tɛˌtɑrdoʊˈhidrəli/ in a tetartohedral manner. ΚΠ 1864 Webster's Amer. Dict. Eng. Lang. Tetartohedrally. tetartohedric adj. Brit. /tᵻˌtɑːtə(ʊ)ˈhiːdrɪk/ , /tɛˌtɑːtə(ʊ)ˈhiːdrɪk/ , U.S. /təˌtɑrdoʊˈhidrɪk/ , /tɛˌtɑrdoʊˈhidrɪk/ = tetartohedral adj. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > tetartohedral tetartohedric1854 tetartohedral1858 tetartohedrical1860 1854 Pereira's Pol. Light 234 Doubly oblique prismatic system..or the tetartohedric-rhombic system. tetartohedrical adj. Brit. /tᵻˌtɑːtə(ʊ)ˈhiːdrᵻkl/ , /tɛˌtɑːtə(ʊ)ˈhiːdrᵻkl/ , U.S. /təˌtɑrdoʊˈhidrək(ə)l/ , /tɛˌtɑrdoʊˈhidrək(ə)l/ = tetartohedral adj. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > tetartohedral tetartohedric1854 tetartohedral1858 tetartohedrical1860 1860 R. G. Mayne Expos. Lexicon Med. Sci. Tetartohedrical. tetartohedrism n. Brit. /tᵻˌtɑːtə(ʊ)ˈhiːdrɪz(ə)m/ , /tɛˌtɑːtə(ʊ)ˈhiːdrɪz(ə)m/ , U.S. /təˌtɑrdoʊˈhiˌdrɪz(ə)m/ , /tɛˌtɑrdoʊˈhiˌdrɪz(ə)m/ the property or quality of crystallizing in tetartohedral forms; the condition in which a crystal symmetrically develops only one fourth of the number of planes demanded by holohedral symmetry. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [noun] > tetartohedrism tetartohedrism1854 tetartohedry1864 1854 J. D. Dana Min. (ed. 4) I. 49 A form of this kind..is found in Titanic Iron, and is called rhombohedral tetartohedrism. 1895 N. Story-Maskelyne Crystallogr. 160 The ambiguity in which the terms hemihedrism, tetartohedrism, etc. are involved. tetartohedron n. Brit. /tᵻˌtɑːtə(ʊ)ˈhiːdrən/ , /tɛˌtɑːtə(ʊ)ˈhiːdrən/ , U.S. /təˌtɑrdoʊˈhidrən/ , /tɛˌtɑrdoʊˈhidrən/ a tetartohedral crystal. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [noun] tripyramid1828 trisoctahedron1837 fluoroid1850 sphenoid1855 discalenohedron1872 prism1878 tetrakis-hexahedron1878 galenoid1882 macroprism1883 semi-form1895 tetartohedron1895 tetrakisdodecahedron1895 trichite1900 1895 N. Story-Maskelyne Crystallogr. 231 There can only be a single kind of tetartohedron in the Cubic system. tetartohedry n. Brit. /tᵻˌtɑːtə(ʊ)ˈhiːdri/ , /tɛˌtɑːtə(ʊ)ˈhiːdri/ , U.S. /təˌtɑrdoʊˈhidri/ , /tɛˌtɑrdoʊˈhidri/ = tetartohedrism n. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [noun] > tetartohedrism tetartohedrism1854 tetartohedry1864 1864 H. Watts Dict. Chem. II. 144 Tetartohedry. Quartz affords a remarkable example of a combination in which only one-fourth of the possible faces are present. tetartohexagonal adj. Brit. /tᵻˌtɑːtə(ʊ)hɛkˈsaɡənl/ , /tᵻˌtɑːtə(ʊ)hɛkˈsaɡn̩l/ , /tɛˌtɑːtə(ʊ)hɛkˈsaɡənl/ , /tɛˌtɑːtə(ʊ)hɛkˈsaɡn̩l/ , U.S. /təˌtɑrdoʊˌhɛkˈsæɡən(ə)l/ , /tɛˌtɑrdoʊˌhɛkˈsæɡən(ə)l/ having one quarter of the number of normals belonging to the hexagonal system. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > miscellaneous others secondary1816 trapezian1816 triacontahedral1816 tri-dodecahedral1816 tri-hexahedral1816 tri-octahedral1816 tri-rhomboidal1816 octodecimal1817 octoduodecimal1817 octosexdecimal1817 pentahexahedral1817 octahedrala1824 trigonal1878 pinacoidal1879 tetartopyramid1891 trisoctahedral1891 tetartohexagonal1895 tetartosystematic1895 1895 N. Story-Maskelyne Crystallogr. 284 Six faces corresponding to three normals: tetarto-hexagonal diplohedral forms. Three faces corresponding to three normals: tetarto-hexagonal haplohedral forms. tetartoprismatic adj. Brit. /tᵻˌtɑːtə(ʊ)prɪzˈmatɪk/ , /tɛˌtɑːtə(ʊ)prɪzˈmatɪk/ , U.S. /təˌtɑrdoʊˌprɪzˈmædɪk/ , /tɛˌtɑrdoʊˌprɪzˈmædɪk/ see quots. [Compare German tetartoprismatisch (1820 in Mohs).] ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal habit > [adjective] > prismatic > tetartoprismatic tetartoprismatic1847 1847 Webster's Amer. Dict. Eng. Lang. Tetartoprismatic,..one fourth prismatic, applied to oblique rhombic prisms.—Mohs. 1851 Richardson's Geol. (1855) v. 98 Classification of Mohs..V. The Tetarto-Prismatic is composed of the oblique rhomboidal prism. tetartopyramid n. Brit. /tᵻˌtɑːtə(ʊ)ˈpɪrəmɪd/ , /tɛˌtɑːtə(ʊ)ˈpɪrəmɪd/ , U.S. /təˌtɑrdoʊˈpɪrəˌmɪd/ , /tɛˌtɑrdoʊˈpɪrəˌmɪd/ see quot. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > miscellaneous others secondary1816 trapezian1816 triacontahedral1816 tri-dodecahedral1816 tri-hexahedral1816 tri-octahedral1816 tri-rhomboidal1816 octodecimal1817 octoduodecimal1817 octosexdecimal1817 pentahexahedral1817 octahedrala1824 trigonal1878 pinacoidal1879 tetartopyramid1891 trisoctahedral1891 tetartohexagonal1895 tetartosystematic1895 1891 Cent. Dict. Tetartopyramid,..a quarter-pyramid: said of the pyramidal planes of the triclinic system, which appear in sets of two (that is, one fourth the number required by a complete pyramid). tetartosymmetric adj. Brit. /tᵻˌtɑːtə(ʊ)sᵻˈmɛtrɪk/ , /tɛˌtɑːtə(ʊ)sᵻˈmɛtrɪk/ , U.S. /təˌtɑrdoʊsəˈmɛtrɪk/ , /tɛˌtɑrdoʊsəˈmɛtrɪk/ = tetartosymmetrical adj. tetartosymmetrical adj. Brit. /tᵻˌtɑːtə(ʊ)sᵻˈmɛtrᵻkl/ , /tɛˌtɑːtə(ʊ)sᵻˈmɛtrᵻkl/ , U.S. /təˌtɑrdoʊsəˈmɛtrək(ə)l/ , /tɛˌtɑrdoʊsəˈmɛtrək(ə)l/ see quot. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > [adjective] > types of > others tautohedral1875 holosystematic1878 tautomorphous1895 tetartosymmetrical1895 holoaxial1902 1895 N. Story-Maskelyne Crystallogr. 159 Mero-symmetrical forms may be hemi-symmetrical..tetarto-symmetrical, presenting one-quarter only of the faces of the holo-symmetrical form. tetartosymmetry n. Brit. /tᵻˌtɑːtə(ʊ)ˈsɪmᵻtri/ , /tɛˌtɑːtə(ʊ)ˈsɪmᵻtri/ , U.S. /təˌtɑrdoʊˈsɪmətri/ , /tɛˌtɑrdoʊˈsɪmətri/ a variety of merosymmetry, in which only one fourth of the faces of the holosymmetrical form are retained. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > [noun] > types of orthosymmetry1878 trigonal symmetry1878 holosymmetry1895 tetartosymmetry1895 self-coincidence1904 1895 N. Story-Maskelyne Crystallogr. 160 Tetarto-symmetry, where the form is (i) hemi~systematic and haplohedral, (ii) tetarto-systematic and diplohedral. tetartosystematic adj. Brit. /tᵻˌtɑːtə(ʊ)sɪstᵻˈmatɪk/ , /tɛˌtɑːtə(ʊ)sɪstᵻˈmatɪk/ , U.S. /təˌtɑrdoʊˌsɪstəˈmædɪk/ , /tɛˌtɑrdoʊˌsɪstəˈmædɪk/ said of a form in which only one fourth of the origin-planes are extant. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > miscellaneous others secondary1816 trapezian1816 triacontahedral1816 tri-dodecahedral1816 tri-hexahedral1816 tri-octahedral1816 tri-rhomboidal1816 octodecimal1817 octoduodecimal1817 octosexdecimal1817 pentahexahedral1817 octahedrala1824 trigonal1878 pinacoidal1879 tetartopyramid1891 trisoctahedral1891 tetartohexagonal1895 tetartosystematic1895 1895 N. Story-Maskelyne Crystallogr. 308 Tetarto-systematic haplohedral forms. 2. tetartocone n. Brit. /tᵻˈtɑːtə(ʊ)kəʊn/ , /tɛˈtɑːtə(ʊ)kəʊn/ , U.S. /təˈtɑrdəˌkoʊn/ , /tɛˈtɑrdəˌkoʊn/ the posterior internal cusp of an upper premolar tooth. ΚΠ 1896 Proc. Zool. Soc. 5 May 563 (Premolars) The antero-external cusp (protocone of Scott)..develops first, the antero-internal or deuterocone second, and the tetartocone third, the tritocone being wanting. tetartophyia n. Brit. /tᵻˌtɑːtə(ʊ)ˈfʌɪə/ , /tɛˌtɑːtə(ʊ)ˈfʌɪə/ , U.S. /təˌtɑrdoʊˈfaɪə/ , /tɛˌtɑrdoʊˈfaɪə/ Pathology a remitting quartan fever. [ < scientific Latin tetartophya (1752 or earlier; also tetartophia (1759 or earlier), tetartophyia (1821 or earlier)) < tetarto- tetarto- comb. form + ancient Greek ϕυή growth (see anthropophuism n.) + -ia -ia suffix¹; a Greek form τεταρτοϕυϊα is recorded in a German medical dictionary of 1821 but this form is apprently not attested in Greek.] ΘΚΠ the world > health and disease > ill health > a disease > fever > [noun] > fever of specific duration tertian1362 quartana1387 quotidiana1398 ephemera1398 quarterna1568 day-fever1601 nonan1601 quintan1601 septimane1601 sextan1601 semitertian1609 triple quartan1625 diary1640 septan1657 third ague1674 quartanary1684 subintrant1684 intermittent1693 nonary1747 seven day fever1788 octan1799 third-day ague1818 type-fever1819 triple tertian1822 triplicate quartan (ague)1822 tetartophyia1842 1842 R. Dunglison Med. Lexicon (ed. 3) Tetartophia, a quartan, in which the intermission is inordinately short or imperfect. 1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. Tetartophyia. This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2022). < comb. form1842
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