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单词 rhamphoid
释义

Definition of rhamphoid in English:

rhamphoid

(also ramphoid)
adjective ˈramfɔɪd
Mathematics
  • Designating a cusp at which the two branches of the curve lie on the same side of the common tangent, i.e. they have their concavity in the same direction. Contrasted with "keratoid".

Origin

Early 19th century (in an earlier sense). From ancient Greek ῥάμϕος beak, of uncertain origin + -oid, after French ramphoïde, noun.

 
 

Definition of rhamphoid in US English:

rhamphoid

(also ramphoid)
adjectiveˈramfɔɪd
Mathematics
  • Designating a cusp at which the two branches of the curve lie on the same side of the common tangent, i.e. they have their concavity in the same direction. Contrasted with "keratoid".

Origin

Early 19th century (in an earlier sense). From ancient Greek ῥάμϕος beak, of uncertain origin + -oid, after French ramphoïde, noun.

 
 
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更新时间:2024/12/23 8:41:58