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单词 headward
释义

headward

/ˈhɛdwəd /
adjective
1In the region or direction of the head.Odd neuron numbers respond to headwards displacements and even numbers to tailwards displacements.
1.1 Geology Denoting erosion by a stream or river occurring progressively upstream from the original source.During the Miocene the shelf was intermittently emergent, and the submarine canyons were extended to the shelf area through headward erosion....
  • Apparently, V-shaped and planar-floored canyons, previously ascribed to downslope erosion vs. slope failure/headward erosion, respectively, can coexist.
  • The Alpine lakes of northern Italy, also, are now thought to occupy sites of headward erosion during Messinian time.
adverb
(also headwards) Towards the head.Presumably, saying a nerve moves headwards or toewards is not sophisticated enough for doctors....
  • For a very brief instant, looking headwards as he was, he could not identify the person by sex, for he saw a turban and under it a face which though not that of an East Indian was colored almost olive.

Rhymes

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更新时间:2025/1/24 6:35:57