word-forming element meaning "sharp, pointed; acid," from Greek oxys "sharp, pungent" (from PIE root *ak- "be sharp, rise (out) to a point, pierce" ). Also used as a combining form of oxygen.
Oxo
oxo-
Oxonian
oxtail
ox-tongue
oxy-
oxycodone
OxyContin
oxygen
oxymoron
oy