[rangsī = rangsi] (n) EN: ray ; beam of light ; radiation ; radioactivityFR: rayonnement [ m ] ; radiation [ f ] ; rayon [ m ] ; faisceau lumineux [ m ]
(n)graphical representation (in polar or Cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle, Syn.radiation diagram, pattern
(n)a pyrometer for estimating the temperature of distant sources of heat; radiation is focussed on a thermojunction connected in circuit with a galvanometer
(n)syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours, Syn.radiation, radiation syndrome
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
n. [ L. radiatio: cf. F. radiation. ] 1. The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness. [ 1913 Webster ]
2. The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat. [ 1913 Webster ]
[ひばく, hibaku](n, vs) (1) being bombed; (2) (See 被曝) being A-bombed; being nuked; being exposed to radiation (from an atomic blast); (P)#12957[Add to Longdo]