| a fool or simpleton; ninny. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
calciferol cal·cif·er·ol (kāl-sĭf'ə-rôl', -rōl')
n.
See vitamin D2.
| calciferol (kāl-sĭf'ə-rôl', -rōl') Pronunciation Key
Any of several sterols that are forms of vitamin D, especially ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3). See more at vitamin D. |