[pen-teyn] /ˈpɛn teɪn/
noun, Chemistry, Pharmacology.
a hydrocarbon of the methane series, existing in three liquid isomeric forms.
Also called normal pentane. the most important isomer of pentane, a colorless, flammable, water-insoluble, very volatile liquid, C 5 H 1 2 , obtained from petroleum by distillation: used chiefly as a solvent and in medicine as an anesthetic.
an alkane hydrocarbon having three isomers, esp the isomer with a straight chain of carbon atoms (n-pentane) which is a colourless flammable liquid used as a solvent. Formula: C5H12
A colorless, flammable hydrocarbon derived from petroleum and used as a solvent. Pentane occurs in three isomers and is the fifth member of the alkane series. Chemical formula: C5H12.
- Normal occlusion
normal occlusion n. The normal arrangement of teeth and their supporting structures that approaches an ideal or standard arrangement.
- Normal science
noun the scientific process that is considered standard; the basic process of puzzle-solving, explaining and expanding scientific paradigms
noun, Mathematics. 1. a collection of subgroups of a given group so arranged that the first subgroup is the identity, the last subgroup is the group itself, and each subgroup is a normal subgroup of the succeeding subgroup.
- Normal time
noun 1. (sport) the standard length of time allowed for a match before any extra time, such as injury time, is added