peta-
combining form/petə/
/petə/
(specialist)- (in nouns; used in units of measurement) 1015; one thousand million millionWord Originfrom pe(n)ta-, from Greek pente ‘five’ (see penta-); based on the supposed analogy of tera- and tetra-.
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
peta-