OCREA
\ɒkɹˈi͡ə], \ɒkɹˈiə], \ɒ_k_ɹ_ˈiə]\
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[=o]'kre-a, n. (bot.) a sheath formed of two stipules united round a stem:--pl. O'CHREÆ, O'CREÆ.--adj. O'CHRE[=A]TE. [L. ochrea, a legging.]
By Thomas Davidson
By Robley Dunglison
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.