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单词 tegmen
释义

tegmenn.

/ˈtɛɡmɛn/
Forms: Plural ˈtegmina.
Etymology: < Latin tegmen (tegimen, tegumen) covering, < tegĕre to cover; so French tegmen.
A cover, covering, coating, integument. (Only in scientific use.)
a. gen.
ΘΚΠ
the world > space > relative position > condition of being external > covering > [noun] > a covering
wrielsc825
coverc1320
hillingc1325
eyelida1382
covering1382
casea1398
coverta1400
tegumentc1440
hacklea1450
coverturec1450
housingc1450
deck1466
heeler1495
housera1522
coverlet1551
shrouda1561
kever1570
vele1580
periwig1589
hap1593
opercle1598
integument?1611
blanketa1616
cask1646
operiment1650
coverlid1654
tegment1656
shell?1677
muff1687
operculum1738
tegmen1807
1807 J. Headrick View Mineral. Arran 61 The pitchstone assumes a greyish tegmen, or crust, by exposure to the air.
b. Entomology (plural). The wing-covers, i.e. the fore wings when modified so as to serve as coverings for the hind wings; esp. those of orthopterous insects (corresponding to the elytra of beetles).
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > wings(s) > wing-cover(s)
wing-case1661
wing-shell1681
wing-cover1816
tegmen1817
wing-sheath1855
tegumen1882
1817 W. Kirby & W. Spence Introd. Entomol. (1818) II. xxiii. 350 Probably in the next order (Orthoptera), the Tegmina, or wing-covers..assist them in flying.
1826 W. Kirby & W. Spence Introd. Entomol. IV. xlvii. 371 The horizontal portion of one tegmen lies longitudinally over that of the other.
1877 T. H. Huxley Man. Anat. Invertebrated Animals vii. 400 The female [cockroach] has moveable tegmina.
c. Botany. The thin inner coat of a seed, immediately enveloping the nucleus; the endopleura.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > covering or skin
pillc1300
huskc1400
shell1561
tunicle1601
parchment1682
tunic1760
seed coat1776
aril1785
testa1796
perula1825
spermoderm1841
endopleura1842
test1846
arillode1854
tegmen1857
1832 J. Lindley Introd. Bot. 183 The internal integument,..endopleura of de Candolle, hilofère and tegmen of Mirbel.]
1857 A. Henfrey Elem. Course Bot. §296 The inner integument, the tegmen or endopleura, is not generally distinguishable.
d. Anatomy. tegmen tympani, a plate of bone forming the roof of the tympanum of the ear, being a part of the temporal bone. Also elliptical as tegmen.
ΘΚΠ
the world > life > the body > structural parts > bone or bones > skull > parts of skull > [noun] > bones of ear > others
os orbiculare1698
orbicular bone1706
tympanic1851
opisthotic1865
prootic1866
tympanal1875
otolith1890
tegmen tympani1890
1890 J. S. Billings National Med. Dict. II
1902 D. J. Cunningham Text-bk. Anat. 704 The roof [of the tympanic cavity]..is formed by a thin plate of bone, the tegmen tympani.
1939 J. Joyce Finnegans Wake 249 There lies her word, you reder!.. It vibroverberates upon the tegmen.
1977 Proc. Royal Soc. Med. 70 821/2 In mandibulofacial dysostosis the attic and antrum are typically absent..being replaced..by descent of the tegmen.
1980 Gray's Anat. (ed. 36) iii. 312/1 In a young skull the suture between the petrous and the squamous parts of the temporal bone may be visible at the lateral limit of the tegmen tympani.
e. Ornithology (plural). = tectrices at tectrix n. Forms.
ΚΠ
1891 in Cent. Dict.
This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2020).
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n.1807
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