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gemma

[jem-uh]
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noun, plural gem·mae [jem-ee] /ˈdʒɛm i/.
  1. a bud.
  2. Botany. a cell or cluster of cells, or a leaflike or budlike body, that separates from the parent plant to form a new organism, as in mosses and liverworts.

Origin of gemma

1760–70; < Latin: bud, gem
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for gemma

Contemporary Examples

Historical Examples

  • Gemma stared, but made no attempt to answer, and Maria looked confused.

    Olive in Italy

    Moray Dalton

  • Gemma had been asked to come too on this occasion, but she had excused herself.

    Olive in Italy

    Moray Dalton

  • Gemma lay in wait for the old woman and stopped her as she came from the kitchen.

    Olive in Italy

    Moray Dalton

  • Gemma smiled her rare slow smile as she put it in her purse.

    Olive in Italy

    Moray Dalton

  • But Gemma knew nothing of them, and she would have cared nothing if she had known.

    Olive in Italy

    Moray Dalton


British Dictionary definitions for gemma

gemma

noun plural -mae (-miː)
  1. a small asexual reproductive structure in liverworts, mosses, etc, that becomes detached from the parent and develops into a new individual
  2. zoology another name for gemmule (def. 1)
Derived Formsgemmaceous (dʒɛˈmeɪʃəs), adjective

Word Origin

C18: from Latin: bud, gem
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

gemma in Science

gemma

[jĕmə]
Plural gemmae (jĕmē′)
  1. A budlike mass of undifferentiated tissue which serves as a means of vegetative reproduction among mosses and liverworts. The gemmae, often formed in structures called gemma cups, are usually dispersed from the parent plant by the splashing of raindrops, after which they develop into new individuals.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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