What is the prefix meaning of two???/?
http://www.reference.com/browse/two%20 di- (from Greek) duo- (pronounced as “doo-oh, OR dyoo-oh)–example would be “duodecimal”–a number system based on the number 12. Similar to a Base 2 system, and using the numbers 1 and 0, the number 12 would be represented as “10”–meaning 1 group of 12 and 0 ones.; 14 would be written as “12”–one group of 12, and two 1’s. bi- (from Latin) twi- : Example “bi-monthly” means “every 2 months”; “bisexual” means “direct sexual desire toward both sexes” 3 would be “tri”–as in triangle 4 would be “quad”–as in quadruplets (4 children born at same time/day) 5 would be “quint”–as in quintuplets; or “Penta-” (as in “Pentagon”–having 5 sides) 6–sexto–as in “sextet” (musical group of 6 singers); or Hex- (as in “hexagon”, an object with 6 sides) 7– septem or, in music, “septet” (7 singers) 8–octo–as in “octet”(musical group of 8 singers) 9–ennea- OR nona-/non- (“nonagenarian” is som
