P. F. Verhulst showed in 1838 that the growth of human population followed an S-shaped or sigmoid curve (F. S. Bodenheimer).
< sígma sigma + eîdos form]Useful english dictionary. 2012.
sig|moid|o|scope — «sihg MOY duh skohp», noun. a tube about 10 inches long which is inserted through the anus for the purpose of examining the colon: »... the use of the sigmoidoscope in routine physical examination to spot cancer of the colon (Frank P. Matthews) … Useful english dictionary
moid — ag·a·moid; bu·li·moid; co·moid; cor·moid; cos·moid; de·moid; der·moid; ep·i·der·moid; es·ki·moid; eth·moid·itis; gem·moid; gin·gly·moid; he·moid; isth·moid; lac·moid; lac·ri·moid; leu·ke·moid; li·moid; lox·om·moid; ma·ras·moid; me·ris·moid;… … English syllables
sig — as·sig·nat; as·sig·na·tion; bla·lock taus·sig; con·sig·na·tary; con·sig·na·tion; de·sig·na·do; in·sig·nia; in·sig·nis; ly·sig·e·nous; mäs·sig; ob·sig·na·tion; pa·sig·ra·phy; phy·sig·na·thus; pleu·ro·sig·ma; pre·sig·ni·fi·ca·tion; pre·sig·ni·fy;… … English syllables
sigmoid — sig·moid … English syllables
sigmoidectomy — sig·moid·ec·to·my … English syllables
sigmoidoscopy — sig·moid·os·co·py … English syllables
sigmoidostomy — sig·moid·os·to·my … English syllables
sigmoidoscope — sig•moid•o•scope [[t]sɪgˈmɔɪ dəˌskoʊp[/t]] n. med a rigid or flexible endoscope for visual examination of the rectum and sigmoid colon • Etymology: 1900–05 sig•moid o•scop′ic ˈskɒp ɪk adj. sig moid•os′co•pist ˈdɒs kə pɪst n. sig moid•os′co•py, n … From formal English to slang
sigmoid flexure — sig′moid flex′ure n. 1) anS shaped curve in a body part 2) anat. Also called sig′moid co′lon. theS shaped curve of the large intestine where the descending colon joins the rectum in humans • Etymology: 1780–90 … From formal English to slang
sigmoid — sig•moid [[t]ˈsɪg mɔɪd[/t]] also sig•moi′dal adj. 1) shaped like the letter S 2) shaped like the letter C (the uncial form of the sigma) 3) anat. of, pertaining to, or situated near the sigmoid flexure of the large intestine • Etymology: 1660–70; … From formal English to slang
