- a combining form meaning “oblique,” used in the formation of compound words: plagioclase.
combining form
- slanting, inclining, or obliqueplagiotropism
before vowels plagi-, word-forming element meaning “slanting, oblique,” from comb. form of Greek plagios “oblique, slanting,” from plagos “side,” from PIE *plag- “flat, spread,” from *plak- (1) “to be flat” (see placenta). pref.
- Slanting; inclining:plagiocephaly.