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

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

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

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


Read Also:

  • Acrospore

    a borne at the tip of a sporophore, as a basidiospore.

  • Across

    from one side to the other of: a bridge across a river. on or to the other side of; beyond: across the sea. into contact with; into the presence of, usually by accident: to come across an old friend; to run across a first edition of Byron. crosswise of or transversely to the length of […]

  • Across the board

    applying to all employees, members, groups, or categories; general: The across-the-board pay increase means a raise for all employees. (of a bet) covering all possibilities of winning on a given result, especially by placing a combination bet on one horse in a race for win, place, and show. a piece of wood sawed thin, and […]

  • Across the pond

    adjective on the other side of the ocean, esp. the Atlantic Examples We correspond from across the pond.

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