frequency shift per gram
21electromagnetism — /i lek troh mag ni tiz euhm/, n. 1. the phenomena associated with electric and magnetic fields and their interactions with each other and with electric charges and currents. 2. Also, electromagnetics. the science that deals with these phenomena.… …
22Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
23sun — sunlike, adj. /sun/, n., v., sunned, sunning. n. 1. (often cap.) the star that is the central body of the solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93… …
24Maxwell's equations — For thermodynamic relations, see Maxwell relations. Electromagnetism …
25plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …
26alcoholism — /al keuh haw liz euhm, ho /, n. Pathol. a chronic disorder characterized by dependence on alcohol, repeated excessive use of alcoholic beverages, the development of withdrawal symptoms on reducing or ceasing intake, morbidity that may include… …
27mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
28New SI definitions — The seven SI base units and the interdependency of their current definitions A committee of the International Committee for Weights and Measures (CIPM) has proposed revised formal definitions of the SI base units, which are being examined by the… …
29ionosphere and magnetosphere — ▪ atmospheric science Introduction regions of Earth s (Earth) atmosphere in which the number of electrically charged particles ions (ion) and electrons (electron) are large enough to affect the propagation of radio waves (electromagnetic… …
30Drug test — For other uses, see Drug testing (disambiguation). Drug test Diagnostics To minimize opportunities for tampering, a direct line of sight between the observer and the specimen bottle must be maintained during collection of a urine sample …
