[blak-bod-ee] /ˈblækˈbɒd i/
noun, plural blackbodies. Physics.
a hypothetical body that absorbs without reflection all of the electromagnetic radiation incident on its surface.
A theoretically perfect absorber and emitter of every frequency of electromagnetic radiation. The radiation emitted by a blackbody is a function only of its temperature.
An object that can absorb and send off radiation with complete efficiency — that is, it reflects (see reflection) none of the radiation that falls on it. The higher the object’s temperature, the higher the frequency of the radiation it gives off.
noun 1. See under 1 (def 1). [reem] /rim/ noun 1. a standard quantity of paper, consisting of 20 quires or 500 sheets (formerly 480 sheets), or 516 sheets (printer’s ream or perfect ream) 2. Usually, reams. a large quantity: He has written reams of poetry. /riːm/ noun 1. a number of sheets of paper, […]
noun 1. rhyme of two words spelled or pronounced identically but differing in meaning, as rain, reign; rich rhyme. 2. . noun 1. Also called full rhyme. rhyme between words in which the stressed vowels and any succeeding consonants are identical although the consonants preceding the stressed vowels may be different, as between part/hart or […]
noun, Mathematics. 1. a rational number that is equal to the square of another rational number. 2. a polynomial that is the square of another polynomial.
noun, Mycology. 1. a phase in the life cycle of certain fungi in which sexual spores are formed, as the asci in the sexual stage of the ascomycete. perfect stage n. The sexual phase in the life cycle of a fungus in which spores are produced following nuclear fusion.