| OCH | a moderate yellow-orange to orange color |
|---|---|
| OCH | any of various earths containing silica and alumina and ferric oxide |
| OCH | of a moderate orange-yellow color |
| OCH | 1 species: balsa |
| OCH | forest tree of lowland Central America having a strong very light wood |
| OCH | an accumulation of dark pigment in cartilage and other connective tissue |
| OCH | United States newspaper publisher (1858-1935) |