acrospire

acrospire

[ak-ruh-spahyuhr]
noun Botany.
the first sprout appearing in the germination of grain; the developed plumule of the seed.

Origin:
1610–20; acro- + spire1; replacing akerspire, equivalent to aker (Old English æchir ear of grain) + spire

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acrospire (ˈækrəˌspaɪə)
 
n
the first shoot developing from the plumule of a germinating grain seed
 
[C17: from obsolete akerspire, from akerear² + spire sprout, spire1; the modern form is influenced by acro-]

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