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单词 rhombus
释义

WordReference Random House Learner's Dictionary of American English © 2024
rhom•bus /ˈrɑmbəs/USA pronunciation   n. [countable], pl. -bus•es, -bi /-baɪ/.USA pronunciation  
  1. Mathematicsa four-sided figure with all four sides parallel and equal in length but with oblique angles.

WordReference Random House Unabridged Dictionary of American English © 2024
rhom•bus  (rombəs),USA pronunciation n., pl. -bus•es, -bi (-bī).USA pronunciation 
  1. Mathematicsan oblique-angled equilateral parallelogram;
    any equilateral parallelogram except a square.
  2. Mathematicsan equilateral parallelogram, including the square as a special case.
  3. Mathematicsa rhombohedron.
  • Greek rhómbos anything that may be spun around, derivative of rhémbein to revolve
  • Latin
  • 1560–70

Collins Concise English Dictionary © HarperCollins Publishers::
rhombus /ˈrɒmbəs/ n ( pl -buses, -bi / -baɪ/)
  1. an oblique-angled parallelogram having four equal sides
    Also called: rhomb
    Compare square
Etymology: 16th Century: from Greek rhombos something that spins; related to rhembein to whirl
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