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单词 trinomial
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tri•no•mi•al  (trī nō′mē əl),USA pronunciation adj. 
  1. Mathematics[Algebra.]consisting of or pertaining to three terms.
  2. Biology
    • pertaining to a scientific name comprising three terms, as of genus, species, and subspecies or variety.
    • characterized by the use of such names.

n. 
  1. Mathematics[Algebra.]an expression that is a sum or difference of three terms, as 3x + 2y + z or 3x3 + 2x2 + x.
  2. Biologya trinomial name, as Rosa gallica pumila.
  • tri- + (bi)nomial 1665–75
tri•no′mi•al•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
trinomial /traɪˈnəʊmɪəl/ adj
  1. consisting of or relating to three terms
 n
  1. a polynomial consisting of three terms, such as ax² + bx + c
  2. the third word in the trinomial name of an organism, which distinguishes between subspecies
Etymology: 18th Century: tri- + -nomial on the model of binomial

triˈnomially adv
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更新时间：2024/11/10 11:07:28