Numeral prefix

Uncommon card · No. 94260

Numeral or number prefixes are prefixes derived from numerals or occasionally other numbers. In English and many other languages, they are used to coin numerous series of words. For example: triangle, quadrilateral, pentagon, hexagon, octagon (shape with 3 sides, 4 sides, 5 sides, 6 sides, 8 sides) simplex, duplex (communication in only 1 direction at a time, in 2 directions simultaneously) unicycle, bicycle, tricycle (vehicle with 1 wheel, 2 wheels, 3 wheels) dyad, triad, tetrad (2 parts, 3 parts, 4 parts) twins, triplets, quadruplets (multiple birth of 2 children, 3 children, 4 children) biped, quadruped, hexapod (animal with 2 feet, 4 feet, 6 feet) September, October, November, December (7th month, 8th month, 9th month, 10th month) binary, ternary, octal, decimal, hexadecimal (numbers expressed in base 2, base 3, base 8, base 10, base 16) Unary, binary, ternary, quaternary, quinary, senary, septenary, octonary, nonary, denary (related to having a certain number of something—parts, components...

Read on Wikipedia