From Longman Dictionary of Contemporary Englishcenti-centi- /sentə/ (also cent- /sent/) prefix [in nouns]  1 XXa hundred a centipede  (=creature with 100 legs)2 TMa 100th part of a unit a centimetre  (=0.01 metres)
                                                    
                                                Examples from the Corpus
centi-• a centimeterFrom Longman Business Dictionarycenti-centi- /sentə/ prefix in the METRIC SYSTEM, one hundredth part of a unita centimetre  (=0.01 metres)Origin centi- French Latin, from centum;  → CENT 
