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diaspore

[dahy-uh-spawr, -spohr] /ˈdaɪ əˌspɔr, -ˌspoʊr/
noun
1.
a mineral, aluminum oxyhydroxide, AlO(OH), occurring in crystals, or more usually in lamellar or scaly masses: a principal constituent of bauxite and an important source of aluminum.
2.
Botany. a disseminule, especially one that undergoes dispersal.
Origin
1795-1805
1795-1805; < Greek diasporá; see Diaspora
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for diaspore
  • Fire clay comprises mainly diaspore, halloysite, and/or kaolinite.
  • Included under the general term fire clay are the diaspore, burley, and burley- flint clays.
  • Included under the general term fire clay are the diaspore, burley, and burley flint clays.
British Dictionary definitions for diaspore

diaspore

/ˈdaɪəˌspɔː/
noun
1.
a white, yellowish, or grey mineral consisting of hydrated aluminium oxide in orthorhombic crystalline form, found in bauxite and corundum. Formula: AlO(OH)
2.
any propagative part of a plant, esp one that is easily dispersed, such as a spore
Word Origin
C19: from Greek diaspora a scattering, dispersion; see Diaspora: so named from its dispersion and crackling when highly heated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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