a neutral substance
21Hepatic encephalopathy — Classification and external resources Micrograph of Alzheimer type II astrocytes, as may be seen in hepatic encephalopathy. ICD 10 …
22Rubber boom — The rubber boom was an important part of the economic and social history of Brazil, being related with the extraction and commercialization of rubber. This boom was centered in the Amazon, facilitating a large expansion of colonization,… …
23oxidation number — ▪ chemistry also called Oxidation State, the total number of electrons (electron) that an atom either gains or loses in order to form a chemical bond (chemical bonding) with another atom. Each atom that participates in an oxidation… …
24-in — {{11}} in (1) suffix attached to a verb, first attested 1960 with sit in (which probably was influenced by sit down strike); used first of protests, extended c.1965 to any gathering. {{12}} in (2) chemical suffix, usually indicating a neutral… …
25meconic — /mi konˈik/ adjective Denoting an acid obtained from poppies ORIGIN: Gr mēkōn the poppy • • • meconate /mekˈən āt or mēkˈ/ noun A salt of meconic acid mecˈonin noun A white, fusible, neutral substance (C10H10O4) existing in opium mecōˈnium noun 1 …
26sycoretin — Chem. (sɪkəʊˈriːtɪn) [f. Gr. σῦκον fig + ῥητίνη resin.] An amorphous white neutral substance obtained from the resin of an Australian species of fig (Ficus rubiginosa). De la Rue & Müller in Phil. Trans. CL. 44. Watts Fownes Chem. (ed. 11) 791 …
27metaphysics — /met euh fiz iks/, n. (used with a sing. v.) 1. the branch of philosophy that treats of first principles, includes ontology and cosmology, and is intimately connected with epistemology. 2. philosophy, esp. in its more abstruse branches. 3. the… …
28coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… …
29metabolism — /meuh tab euh liz euhm/, n. 1. Biol., Physiol. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Cf. anabolism, catabolism …
30separation and purification — ▪ chemistry Introduction in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… …
