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单词 scalar
释义

WordReference Random House Unabridged Dictionary of American English © 2024
sca•lar  (skālər),USA pronunciation adj. 
  1. Mathematicsrepresentable by position on a scale or line;
    having only magnitude:a scalar variable.
  2. Mathematicsof, pertaining to, or utilizing a scalar.
  3. ladderlike in arrangement or organization;
    graduated:a scalar structure for promoting personnel.

n. 
  1. Mathematicsa quantity possessing only magnitude. Cf. vector (def. 1a).
  • Latin scālāris of a ladder. See scale3, -ar1
  • 1650–60

Collins Concise English Dictionary © HarperCollins Publishers::
scalar /ˈskeɪlə/ n
  1. a quantity, such as time or temperature, that has magnitude but not direction
  2. an element of a field associated with a vector space
adj
  1. having magnitude but not direction
Etymology: 17th Century (meaning: resembling a ladder): from Latin scālāris, from scāla ladder
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