acrospire
/ak-ruh-spahyuhr/US // ˈæk rəˌspaɪər //UK // (ˈækrəˌspaɪə) //
顶尖
Definitions
n.名词 noun
- 1
Botany.
- : the first sprout appearing in the germination of grain; the developed plumule of the seed.
Examples
As the acrospire creeps along the surface of the seed, the farina within undergoes a remarkable alteration.
The malting, however, is complete before the acrospire becomes a leaf.
By about the eighth day of flooring the acrospire should be about three-quarters up the corn.
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