adjective sig·moid \ˈsig-ˌmid\

Definition of SIGMOID

a :  curved like the letter C
b :  curved in two directions like the letter S
:  of, relating to, or being the sigmoid colon
sig·moi·dal·ly \sig-ˈmi-dəl-ē\ adverb

Variants of SIGMOID

sig·moid also sig·moi·dal \sig-ˈmi-dəl\

Origin of SIGMOID

Greek sigmoeidēs, from sigma; from a common form of sigma shaped like the Roman letter C
First Known Use: 1670


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