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单词 acrospire
释义

acrospire

[ ak-ruh-spahyuhr ]
/ ˈæk rəˌspaɪər /

noun Botany.

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

Origin of acrospire

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

Words nearby acrospire

acrosin, acrosomal cap, acrosomal granule, acrosomal vesicle, acrosome, acrospire, acrospore, across, across-the-board, acrostic, acroter
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for acrospire

  • The malting, however, is complete before the acrospire becomes a leaf.

    A Dictionary of Arts, Manufactures and Mines|Andrew Ure
  • As the acrospire creeps along the surface of the seed, the farina within undergoes a remarkable alteration.

    A Dictionary of Arts, Manufactures and Mines|Andrew Ure
  • By about the eighth day of flooring the acrospire should be about three-quarters up the corn.

    Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 4|Various

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
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更新时间:2024/11/13 10:01:31