[oh lev-uh l] /ˈoʊ ˌlɛv əl/
a public examination for secondary-school students, usually 15 to 16 years old, testing basic knowledge in various subjects, required before advancing to more specialized courses of study.
a pass in this examination.
noun (formerly, in Britain)
a pass in a particular subject at O level: he has eight O levels
[oh-lee-il] /oʊˈli ɪl/ noun, Chemistry. 1. an unsaturated, fatty alcohol, derived from oleic acid, C 1 8 H 3 6 O, used chiefly in organic synthesis.
[ol-fak-shuh n, ohl-] /ɒlˈfæk ʃən, oʊl-/ noun 1. the act of smelling. 2. the sense of smell. /ɒlˈfækʃən/ noun 1. the sense of smell 2. the act or function of smelling n. noun of action from Latin olfactus, past participle of olfacere “to smell, get the smell of” (transitive), from olere “to emit a smell” […]
[ol-fak-tom-i-ter, ohl-] /ˌɒl fækˈtɒm ɪ tər, ˌoʊl-/ noun 1. a device for estimating the keenness of the sense of smell.
/ˌɒlfækˈtɒmɪtrɪ/ noun 1. (chem) another name for odorimetry