sig·moid (sĭgmoid′) also sig·moi·dal (sĭg-moidl)
1. Having the shape of the letter S.
2. Of or relating to the sigmoid colon.
[Greek sīgmoeidēs : sīgma, sigma; see SIGMA + -oeidēs, -oid.]
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
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