- the first sprout appearing in the germination of grain; the developed plumule of the seed.
Origin of acrospire
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for acrospire
By about the eighth day of flooring the acrospire should be about three-quarters up the corn.
The malting, however, is complete before the acrospire becomes a leaf.
As the acrospire creeps along the surface of the seed, the farina within undergoes a remarkable alteration.
- the first shoot developing from the plumule of a germinating grain seed
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