punctiformadj.

Brit.

/ˈpʌŋ(k)tᵻfɔːm/, U.S.

/ˈpəŋ(k)təˌfɔrm/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin punctum , -iform comb. form.

Etymology: < classical Latin punctum (see point n.¹) + -iform comb. form.

Chiefly Botany, Zoology, and Medicine.

1. Having the form of or resembling a point, puncture, or dot; minute and circular.

ΘΚΠ

the world > life > biology > physical aspects or shapes > marks > [adjective] > marked with points or dots > having the form of a point or dot

punctiform1800

1800 J. Hull Elements Bot. I. 241 Catizophytum (Stamens numerous, sitting on a punctiform base on the apex of a peduncle).

1822 J. M. Good Study Med. I. 301 The female [thread-worm] has a small punctiform aperture a little below the head.

1856 W. L. Lindsay Pop. Hist. Brit. Lichens 143 A small, black, punctiform Fungus.

1932 L. Van Es Princ. Animal Hygiene & Preventive Vet. Med. xlviii. 661 Small, punctiform, round or oval bodies within the erythrocytes.

1995 Invertebr. Reprod. & Devel. 27 85 The chromosomes are numerous, very small and punctiform.

2. Formed of or having the appearance of a number of points or dots; dotted. Also figurative.

ΘΚΠ

the world > health and disease > ill health > blemish > [adjective] > spot or mark

maple-faced1608

flesh-marked1682

macular1686

punctiform1839

motley1843

petechiate1890

liver-spotted1955

the world > life > biology > physical aspects or shapes > marks > [adjective] > marked with points or dots

guttated1727

maculose1727

punctated1752

punctate1760

puncticulate1800

punctuated1821

guttate1826

punctiform1839

tripunctate1872

guttiform1874

triguttulate1887

the world > animals > animal body > markings or colourings > [adjective] > dappled or spotted > having minute dots

punctated1752

punctuated1754

punctate1760

irrorate1826

powdered1832

punctiform1839

irrorated1843

1839–47 Todd's Cycl. Anat. & Physiol. III. 601/2 These animals appear as a punctiform homogeneous mass.

a1883 C. H. Fagge Princ. & Pract. Med. (1886) I. 208 Instead of being punctiform, it [sc. the rash] may in rare cases consist of large, irregular, slightly raised maculæ.

1957 Mod. Lang. Jrnl. 41 268/1 Louis Braille..invented this punctiform system of tactile reading for his fellow blind.

1967 Canad. Med. Assoc. Jrnl. 18 Nov. 1284/2 A small amount of oily contrast medium will eventually reach the lungs... It may be detected radiographically as punctiform stippling of the lung fields.

2002 Isis 93 173/1 The book encourages the idea that discoveries and other major results are more or less punctiform, the achievements of particular individuals at particular times.

3. Physiology. Of a stimulus or sensation: applied or perceived at a single point.

ΚΠ

1886 Science 21 May 459/2 A punctiform sensation of cold is experienced.

1919 J. B. Watson Psychol. iii. 51 If the skin is gone over in a punctiform way, it is found that characteristic responses can be obtained only at certain definite circumscribed spots or points.

1982 R. Lowry Evol. Psychol. Theory (ed. 2) v. 81 Thus, Helmholtz argued, the process whereby punctiform sensations are transformed into structured, unified perceptions must be one of unconscious inference.

1999 Vision Res. 39 2489/2 Punctiform stimuli restricted to the center of the receptive fields elicit only weak oscillations.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2022).

单词	punctiform
释义	punctiformadj. Brit. /ˈpʌŋ(k)tᵻfɔːm/, U.S. /ˈpəŋ(k)təˌfɔrm/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin punctum , -iform comb. form. Etymology: < classical Latin punctum (see point n.¹) + -iform comb. form. Chiefly Botany, Zoology, and Medicine. 1. Having the form of or resembling a point, puncture, or dot; minute and circular. ΘΚΠ the world > life > biology > physical aspects or shapes > marks > [adjective] > marked with points or dots > having the form of a point or dot punctiform1800 1800 J. Hull Elements Bot. I. 241 Catizophytum (Stamens numerous, sitting on a punctiform base on the apex of a peduncle). 1822 J. M. Good Study Med. I. 301 The female [thread-worm] has a small punctiform aperture a little below the head. 1856 W. L. Lindsay Pop. Hist. Brit. Lichens 143 A small, black, punctiform Fungus. 1932 L. Van Es Princ. Animal Hygiene & Preventive Vet. Med. xlviii. 661 Small, punctiform, round or oval bodies within the erythrocytes. 1995 Invertebr. Reprod. & Devel. 27 85 The chromosomes are numerous, very small and punctiform. 2. Formed of or having the appearance of a number of points or dots; dotted. Also figurative. ΘΚΠ the world > health and disease > ill health > blemish > [adjective] > spot or mark maple-faced1608 flesh-marked1682 macular1686 punctiform1839 motley1843 petechiate1890 liver-spotted1955 the world > life > biology > physical aspects or shapes > marks > [adjective] > marked with points or dots guttated1727 maculose1727 punctated1752 punctate1760 puncticulate1800 punctuated1821 guttate1826 punctiform1839 tripunctate1872 guttiform1874 triguttulate1887 the world > animals > animal body > markings or colourings > [adjective] > dappled or spotted > having minute dots punctated1752 punctuated1754 punctate1760 irrorate1826 powdered1832 punctiform1839 irrorated1843 1839–47 Todd's Cycl. Anat. & Physiol. III. 601/2 These animals appear as a punctiform homogeneous mass. a1883 C. H. Fagge Princ. & Pract. Med. (1886) I. 208 Instead of being punctiform, it [sc. the rash] may in rare cases consist of large, irregular, slightly raised maculæ. 1957 Mod. Lang. Jrnl. 41 268/1 Louis Braille..invented this punctiform system of tactile reading for his fellow blind. 1967 Canad. Med. Assoc. Jrnl. 18 Nov. 1284/2 A small amount of oily contrast medium will eventually reach the lungs... It may be detected radiographically as punctiform stippling of the lung fields. 2002 Isis 93 173/1 The book encourages the idea that discoveries and other major results are more or less punctiform, the achievements of particular individuals at particular times. 3. Physiology. Of a stimulus or sensation: applied or perceived at a single point. ΚΠ 1886 Science 21 May 459/2 A punctiform sensation of cold is experienced. 1919 J. B. Watson Psychol. iii. 51 If the skin is gone over in a punctiform way, it is found that characteristic responses can be obtained only at certain definite circumscribed spots or points. 1982 R. Lowry Evol. Psychol. Theory (ed. 2) v. 81 Thus, Helmholtz argued, the process whereby punctiform sensations are transformed into structured, unified perceptions must be one of unconscious inference. 1999 Vision Res. 39 2489/2 Punctiform stimuli restricted to the center of the receptive fields elicit only weak oscillations. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2022). < adj.1800
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