Metric prefixes are prefixes used to denote a multiple or fraction of a unit in the metric system. The solutions for the term METRIC PREFIX are BARO (4 letters), MILLI (5 letters), KILO (4 letters), TRI (3 letters), GEO (3 letters), DECI (4 letters), CENTI (5 letters), MICRO (5 letters), DECA (4 letters), NANO (4 letters), ISO (3 letters), ODO (3 letters), and SYM (3 letters). BARO stands for barometric pressure, MILLI stands for one thousandth, KILO stands for one thousand, TRI stands for three, GEO stands for earth, DECI stands for one tenth, CENTI stands for one hundredth, MICRO stands for one millionth, DECA stands for ten, NANO stands for one billionth, ISO stands for equal, ODO stands for eight, and SYM stands for symmetrical.