synthetic method
121plant breeding — Introduction application of genetic (genetics) principles to produce plants that are more useful to humans. This is accomplished by selecting plants found to be economically or aesthetically desirable, first by controlling the mating of… …
122Hegel’s logic and philosophy of mind — Willem deVries LOGIC AND MIND IN HEGEL’S PHILOSOPHY Hegel is above all a systematic philosopher. Awe inspiring in its scope, his philosophy left no subject untouched. Logic provides the central, unifying framework as well as the general… …
123Verneuil process — The Verneuil process, also called flame fusion, was the first commercially successful method of manufacturing synthetic gemstones, developed in 1902 by the French chemist Auguste Verneuil. It is primarily used to produce the ruby and sapphire… …
124drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… …
125Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… …
126heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… …
127philosophy, Western — Introduction history of Western philosophy from its development among the ancient Greeks to the present. This article has three basic purposes: (1) to provide an overview of the history of philosophy in the West, (2) to relate… …
128Cocaine — For other uses, see Cocaine (disambiguation). Cocaine …
