acrospire

[ ak-ruh-spahyuhr ]
/ ˈæk rəˌspaɪər /

noun Botany.

the first sprout appearing in the germination of grain; the developed plumule of the seed.

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Origin of acrospire

1610–20; acro- + spire1; replacing akerspire, equivalent to aker (Old English æchir ear of grain) + spire
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British Dictionary definitions for acrospire

acrospire
/ (ˈækrəˌspaɪə) /

noun

the first shoot developing from the plumule of a germinating grain seed

Word Origin for acrospire

C17: from obsolete akerspire, from aker ear ² + spire sprout, spire 1; the modern form is influenced by acro-
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012