单词 | mass-area |
释义 | > as lemmasmass-area mass-area n. Physics rare (perh. Obsolete) the product of the mass of a moving particle of matter with twice the area swept out in a period of time by an imaginary line drawn from the particle to the origin. ΚΠ 1876 J. C. Maxwell Matter & Motion lxviii. 56 When a material particle moves from one point to another, twice the area swept out by the vector of the particle multiplied by the mass of the particle is called the mass-area of the displacement of the particle with respect to the origin from which the vector is drawn. < as lemmas |
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