the homologous series of saturated, aliphatic hydrocarbons having the general formula C n H 2n+2 , as methane, CH 4 , or ethane, C 2 H 6 .
See under alkane.
noun 1. paraffin in its solid state. noun 1. a white insoluble odourless waxlike solid consisting mainly of alkane hydrocarbons with melting points in the range 50°–60°C, used in candles, waterproof paper, and as a sealing agent Also called paraffin paraffin wax See paraffin.
[par-uh-foil] /ˈpær əˌfɔɪl/ noun 1. a structure, usually made of a strong yet light fabric, having a shape similar to that of an airplane wing, and used as a kite or a parachute. /ˈpærəˌfɔɪl/ noun 1. a nonrigid aerofoil inflated by the wind, used in kites and paragliders
- Parafollicular cell
parafollicular cell par·a·fol·lic·u·lar cell (pār’ə-fə-lĭk’yə-lər) n. Any of the cells rich in mitochondria occurring in the thyroid epithelium, especially around the follicle.
[par-uh-fawr-mal-duh-hahyd, -fer-] /ˌpær ə fɔrˈmæl dəˌhaɪd, -fər-/ noun, Chemistry. 1. a white, crystalline polymer of , (HCOH) n , from which it is obtained by evaporation of the aqueous solution: used chiefly as an antiseptic. /ˌpærəfɔːˈmældɪˌhaɪd/ noun 1. a white amorphous solid polymeric form of formaldehyde: used as a convenient source of formaldehyde and as […]