A milky fluid consisting of lymph and emulsified fat extracted from chyme by the lacteals during digestion and passed to the bloodstream through the thoracic duct.
[French, from Late Latin chȳlus, from Greek khūlos, juice; see gheu- in the Appendix of Indo-European roots.]
chy·laceous (kī-lāshəs), chylous (kīləs) adj.
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