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单词 acropetally
释义

acropetallyadv.

Brit. /əˈkrɒpᵻtl̩i/, /ˌakrəˈpɛtl̩i/, U.S. /əˈkrɑpɛdl̩i/, /əˈkrɑpɛd(ə)li/
Origin: Formed within English, by derivation. Etymons: acropetal adj., -ly suffix2.
Etymology: < acropetal adj. + -ly suffix2.
Chiefly Botany.
In an acropetal manner; with development from the base or point of attachment upwards.
ΚΠ
1875 Q. Jrnl. Microsc. Sci. 15 151 The development generally advances from the base of the filament acropetally.
1939 E. A. Bessey Text-bk. Mycol. (new ed.) viii. 194 The conidia belong to the form genus Alternaria in which the muriform conidia are produced acropetally, so that the basal conidium is the oldest and the apical conidium the youngest.
1999 Internat. Jrnl. Plant Sci. 160 Suppl. 76/2 The median leaf trace extends acropetally into the ventral leaf primordium.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).
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adv.1875
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