noun, Grammar. (in English)
a verb form including the auxiliary have followed by been and a present participle, noting the continuation of an activity or event, its incompleteness or interruption, and its connection to the temporal point of reference, as in I’ve been waiting for over an hour, They had been talking about her before she came into the room, or In July, he will have been living here for two years.
noun, Physics. 1. . [blak-bod-ee] /ˈblækˈbɒd i/ noun, plural blackbodies. Physics. 1. a hypothetical body that absorbs without reflection all of the electromagnetic radiation incident on its surface. blackbody (blāk’bŏd’ē) 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. […]
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.