adfrontaladj.n.

Brit.

/adˈfrʌntl/, U.S.

/ædˈfrən(t)l/

Origin: Formed within English, by derivation. Etymons: ad- prefix, frontal adj.

Etymology: < ad- prefix + frontal adj.

Zoology.

A. adj.

Situated near or towards the front; esp. near or towards a part designated as frontal.

ΚΠ

1910 W. T. M. Forbes in Ann. Entomol. Soc. Amer. 3 96 The front and epicrania are separated by a pair of narrow adfrontal sclerites.

1928 R. E. Snodgrass Morphol. & Evol. Insect Head in Smithsonian Misc. Coll. 81 No. 3. 134 In some caterpillars the molting cleft follows only one of the adfrontal sutures, the other remaining closed.

1967 Bull. Entomol. Res. 57 343 Larval characters... Adfrontal sclerites contiguous over a length equal to one-fifth to one-eighth length of epicranial suture.

1995 C. Nielsen Animal Evol. xlv. 347 Brachiopods... As additional tentacles become added at the tips of the two lophophore arms they become arranged alternatingly in two parallel rows, frontal (inner, adlabial) tentacles closest to the mouth/food groove and adfrontal (outer, ablabial) tentacles.

B. n.

An adfrontal part; Entomology (esp. in lepidopteran larvae) an adfrontal sclerite.

ΚΠ

1910 W. T. M. Forbes in Ann. Entomol. Soc. Amer. 3 96 The front..has usually been called the clypeus, the adfrontals being known as paracylpeals [read paraclypeals].

1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) II. 1089 The frons [of a lepidopteran larva] is usually represented by a pair of narrow oblique plates termed the adfrontals.

1992 Jrnl. N.Y. Entomol. Soc. 100 282 The head has a conspicuous, rounded, black spot which extends from the posterior margin to along the adfrontals for half their length.

This is a new entry (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	adfrontal
释义	adfrontaladj.n. Brit. /adˈfrʌntl/, U.S. /ædˈfrən(t)l/ Origin: Formed within English, by derivation. Etymons: ad- prefix, frontal adj. Etymology: < ad- prefix + frontal adj. Zoology. A. adj. Situated near or towards the front; esp. near or towards a part designated as frontal. ΚΠ 1910 W. T. M. Forbes in Ann. Entomol. Soc. Amer. 3 96 The front and epicrania are separated by a pair of narrow adfrontal sclerites. 1928 R. E. Snodgrass Morphol. & Evol. Insect Head in Smithsonian Misc. Coll. 81 No. 3. 134 In some caterpillars the molting cleft follows only one of the adfrontal sutures, the other remaining closed. 1967 Bull. Entomol. Res. 57 343 Larval characters... Adfrontal sclerites contiguous over a length equal to one-fifth to one-eighth length of epicranial suture. 1995 C. Nielsen Animal Evol. xlv. 347 Brachiopods... As additional tentacles become added at the tips of the two lophophore arms they become arranged alternatingly in two parallel rows, frontal (inner, adlabial) tentacles closest to the mouth/food groove and adfrontal (outer, ablabial) tentacles. B. n. An adfrontal part; Entomology (esp. in lepidopteran larvae) an adfrontal sclerite. ΚΠ 1910 W. T. M. Forbes in Ann. Entomol. Soc. Amer. 3 96 The front..has usually been called the clypeus, the adfrontals being known as paracylpeals [read paraclypeals]. 1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) II. 1089 The frons [of a lepidopteran larva] is usually represented by a pair of narrow oblique plates termed the adfrontals. 1992 Jrnl. N.Y. Entomol. Soc. 100 282 The head has a conspicuous, rounded, black spot which extends from the posterior margin to along the adfrontals for half their length. This is a new entry (OED Third Edition, December 2011; most recently modified version published online December 2021). < adj.n.1910
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