| ochna | (n) type genus of Ochnaceae; evergreen trees and shrubs of Old World tropics, Syn. genus Ochna |
| ochnaceae | (n) family of tropical evergreen trees and shrubs with thick shining parallel-veined leaves, Syn. family Ochnaceae, ochna family |
| ochoa | (n) United States biochemist (born in Spain) who studied the biological synthesis of nucleic acids (1905-1993), Syn. Severo Ochoa |
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