polycyclic alcohols

См. также в других словарях:

• sterol — /stear awl, ol, ster /, n. Biochem. any of a group of solid, mostly unsaturated, polycyclic alcohols, as cholesterol and ergosterol, derived from plants or animals. [1910 15; extracted from such words as CHOLESTEROL, ERGOSTEROL, etc.] * * * …   Universalium

• Hodgkin, Dorothy —    b. 1910, Cairo (Egypt); d. 1994    Chemist    Hodgkin was a chemist who was little known until she won the 1964 Nobel Prize for Chemistry for her analysis of the most complex of the vitamins, B12. She began her academic career at Oxford and… …   Encyclopedia of contemporary British culture

• sterol — ste•rol [[t]ˈstɪər ɔl, ɒl, ˈstɛr [/t]] n. biochem. any of a group of solid, mostly unsaturated, polycyclic alcohols, as cholesterol and ergosterol, derived from plants or animals • Etymology: 1910–15; extracted from cholesterol, etc …   From formal English to slang

• hydrocarbon — 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,… …   Universalium

• Organic chemistry — Structure of the methane molecule: the simplest hydrocarbon compound. Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, composition, reactions, and preparation (by synthesis or by… …   Wikipedia

• poison — poisoner, n. poisonless, adj. poisonlessness, n. /poy zeuhn/, n. 1. a substance with an inherent property that tends to destroy life or impair health. 2. something harmful or pernicious, as to happiness or well being: the poison of slander. 3.… …   Universalium

• steroid — /stear oyd, ster /, Biochem. n. 1. any of a large group of fat soluble organic compounds, as the sterols, bile acids, and sex hormones, most of which have specific physiological action. adj. 2. Also, steroidal /sti royd l, ste /. pertaining to or …   Universalium

• chemical compound — Introduction  any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element).       All the matter in the universe is composed of the atoms of more than 100 different chemical elements …   Universalium

• Alkene — This article is about the chemical compound. For the material, see Olefin fiber. Not to be confused with Alkane or Alkyne. A 3D model of ethylene, the simplest alkene. In organic chemistry, an alkene, olefin, or olefine is an unsaturated ch …   Wikipedia

• Naphthalene — Not to be confused with Naphtha, a broad term describing liquid hydrocarbon mixtures. Naphthalene …   Wikipedia

• Коптюг — Коптюг, Валентин Афанасьевич Валентин Афанасьевич Коптюг Дата рождения: 9 июня 1931(1931 06 09) Место рождения: Юхнов, Западная область, СССР Дата смерти: 10 января 1997 …   Википедия