aromatic hydrocarbon (
11polycyclic aromatic hydrocarbon — noun Date: 1951 any of a class of hydrocarbon molecules that have multiple carbon rings, and that include numerous carcinogenic substances and environmental pollutants abbreviation PAH …
12polycyclic aromatic hydrocarbon — abbr. PAH A fused aromatic ring compound consisting only of carbon and hydrogen. Similar compounds include chrysene, pyrene, benzo[a]pyrene, perylene, etc. Naphthalene, the simplest PAH consists of two fused benzene rings. (API 2007) …
13hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… …
14Aromatic amine — An aromatic amine is an amine with an aromatic substituent that is NH2, NH or nitrogen group(s) attached to an aromatic hydrocarbon, whose structure usually contains one or more benzene rings. Aniline is an example.Aromatic amines, when… …
15aromatic hydrocarbons — Hydrocarbon characterized by unsaturated ring structures of the carbon atoms. Commercial petroleum aromatics are benzene, toluene, and xylenes …
16Hydrocarbon — Ball and stick model of the methane molecule, CH4. Methane is part of a homologous series known as the alkanes, which contain single bonds only. In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon …
17aromatic compound — noun a hydrocarbon containing one or more benzene rings that are characteristic of the benzene series of compounds • Hypernyms: ↑hydrocarbon * * * Chem. an organic compound that contains one or more benzene or equivalent heterocyclic rings: many… …
18aromatic — A large family of hydrocarbon compounds based on the benzene structure. Chemists link the name aromatic to the exceptional stability that derives from the benzene structure. See: benzene …
19aromatic — 1. adjective a) Fragrant or spicy. b) Having a closed ring of alternate single and double bonds; derivatives of the hydrocarbon benzene. Ant: aliph …
20hydrocarbon — A compound containing only hydrogen and carbon. Diels h. a phenanthrene derivative obtained by the dehydrogenation of various steroids. saturated h. a h. that contains the greatest possible number of hydrogen atoms, so that the …
