aculeiformadj.

Brit.

/əˈkjuːlɪᵻfɔːm/, U.S.

/əˈkjuliəfɔrm/

Origin: A borrowing from Latin. Etymon: Latin aculeiformis.

Etymology: < post-classical Latin aculeiformis pointed, spine-shaped (1688 or earlier) < classical Latin acūleus aculeus n. + -formis -form comb. form².

Chiefly Botany and Zoology.

Having the form of a spine or prickle; (Ophthalmology, of a cataract) having needle-like projections.

ΘΚΠ

the world > plants > part of plant > thorn or prickle > [adjective] > thorn- or spine-shaped

acicular1709

spinescent1793

aculeiform1809

aciculated1819

aciculiform1846

aciculine1847

spinulose1848

spinoid1882

1809 D. Turner Fuci II. 142 It wholly wants the lateral, horizontal, aculeiform ramuli.

1857 M. J. Berkeley Introd. Cryptogamic Bot. §393, 360 Elongated aculeiform processes.

1887 G. W. Tryon Man. Conchol. IX. 52 Radula of numerous, simple, aculeiform teeth.

1904 H. J. Hansen & W. Sørensen Two Orders Arachnida 53 Thirty almost aculeiform curved setae are arranged in a whorl.

1950 Jrnl. Paleontol. 24 223/1 Shell of about average size, subequally biconvex..with extremities produced into exceedingly fine aculeiform mucrones.

2001 Proc. National Acad. Sci. U.S.A. 98 6117 (caption) Aculeiform cataract..present in a 15-year-old patient.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	aculeiform
释义	aculeiformadj. Brit. /əˈkjuːlɪᵻfɔːm/, U.S. /əˈkjuliəfɔrm/ Origin: A borrowing from Latin. Etymon: Latin aculeiformis. Etymology: < post-classical Latin aculeiformis pointed, spine-shaped (1688 or earlier) < classical Latin acūleus aculeus n. + -formis -form comb. form². Chiefly Botany and Zoology. Having the form of a spine or prickle; (Ophthalmology, of a cataract) having needle-like projections. ΘΚΠ the world > plants > part of plant > thorn or prickle > [adjective] > thorn- or spine-shaped acicular1709 spinescent1793 aculeiform1809 aciculated1819 aciculiform1846 aciculine1847 spinulose1848 spinoid1882 1809 D. Turner Fuci II. 142 It wholly wants the lateral, horizontal, aculeiform ramuli. 1857 M. J. Berkeley Introd. Cryptogamic Bot. §393, 360 Elongated aculeiform processes. 1887 G. W. Tryon Man. Conchol. IX. 52 Radula of numerous, simple, aculeiform teeth. 1904 H. J. Hansen & W. Sørensen Two Orders Arachnida 53 Thirty almost aculeiform curved setae are arranged in a whorl. 1950 Jrnl. Paleontol. 24 223/1 Shell of about average size, subequally biconvex..with extremities produced into exceedingly fine aculeiform mucrones. 2001 Proc. National Acad. Sci. U.S.A. 98 6117 (caption) Aculeiform cataract..present in a 15-year-old patient. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < adj.1809
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