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coleorhiza
[ koh-lee-uh-rahy-zuh, kol-ee- ]
noun
Botany.
plural coleorhizae
- the sheath that envelops the radicle in certain plants and that is penetrated by the root in germination.
coleorhiza
/ ˌɒɪəˈɪə /
noun
- a protective sheath around the radicle in grasses
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51Թ History and Origins
Origin of coleorhiza1
1865–70; < New Latin < Greek DZó ( n ) sheath, scabbard + í root 1
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51Թ History and Origins
Origin of coleorhiza1
C19: from New Latin, from Greek koleon sheath + rhiza root
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Example Sentences
Examples have not been reviewed.
Germination.—In germination the coleorhiza lengthens, ruptures the pericarp, and fixes the grain to the ground by developing numerous hairs.
From
Coleorhiza, kol-ē-ō-rī′za, n. the root-sheath in endogens.
From
The sheath which envelopes the radicle is called coleorhiza and that of the plumule, pileole or germ-sheath.
From
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