biologic valence

Mira otros diccionarios:

• chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …   Universalium

• materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …   Universalium

• Tensor — For other uses, see Tensor (disambiguation). Note that in common usage, the term tensor is also used to refer to a tensor field. Stress, a second order tensor. The tensor s components, in a three dimensional Cartesian coordinate system, form the… …   Wikipedia

• cytochrome — A class of hemoprotein whose principal biologic function is electron and/or hydrogen transport by virtue of a reversible valency change of the heme iron. Cytochromes are classified in four groups (a, b, c, and d) according to spectrochemical… …   Medical dictionary

• sodium — A metallic element, atomic no. 11, atomic wt. 22.989768; an alkali metal oxidizing readily in air or water; its salts are found in natural biologic systems and are extensively used in medicine and industry. The s. ion is the most plentiful… …   Medical dictionary

• ra — ra·chid·i·an; ra·chi·form; ra·chi·glos·sa; ra·chil·la; ra·chi·o·dont; ra·chi·om·e·ter; ra·chi·on; ra·chis; ra·chis·chi·sis; ra·chit·ic; ra·chi·tis; ra·chit·o·mi; ra·cial; ra·cial·ism; ra·cial·ist; ra·cial·is·tic; ra·ci·al·i·ty; ra·cial·iza·tion;… …   English syllables

• biological science — noun the science that studies living organisms • Syn: ↑biology • Derivationally related forms: ↑biologic (for: ↑biology), ↑biological (for: ↑biology), ↑ …   Useful english dictionary