sigmoid

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈsɪɡmɔɪd/US:USA pronunciation: respellingUSA pronunciation: respelling(sigmoid)



WordReference Random House Unabridged Dictionary of American English © 2020
sig•moid  (sigmoid),USA pronunciation adj. 
  1. shaped like the letter C.
  2. shaped like the letter S.
  3. Anatomyof, pertaining to, or situated near the sigmoid flexure of the large intestine.
Also,  sig•moidal.  sig•moidal•ly, adv. 
  • Greek sigmoeidé̄s shaped like a sigma. See sigma, -oid
  • 1660–70

Collins Concise English Dictionary © HarperCollins Publishers::
sigmoid /ˈsɪɡmɔɪd/ adj
Also: sigmoidal
  1. shaped like the letter S
  2. of or relating to the sigmoid colon of the large intestine
Etymology: 17th Century: from Greek sigmoeidēs sigma-shaped
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