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The Collaborative International Dictionary
Chylifaction

Chylifaction \Chyl`i*fac"tion\, n. [Chyle + L. facere to make.] (Physiol.) The act or process by which chyle is formed from food in animal bodies; chylification, -- a digestive process.

Wiktionary
chylifaction

n. (context biology English) The formation of chyle.