40 Numerical Affixes
English makes use of both Greek and Latin prefixes to express numbers or quantities. Below is a list of the most common of these.
Prefix |
Meaning |
Example |
| uni- | one | unicycle |
| mono- | one | monoplane |
| bi- | two | bilingual |
| di- | two | dioxide |
| tri- | three | tripod: having 3 legs |
| quad- | four | quadruped: four-footed animal |
| quint- | five | quintuplets: five babies born at one birth |
| penta- | five | pentagon: figure with five sides |
| hex- | six | hexapod: having six legs |
| sex- | six | sextet: group of six musicians |
| sept- | seven | septennial |
| hept- | seven | heptagonal |
| oct- | eight | octogenarian |
| non | nine | nonagenarian |
| dec- | ten | decade |
| cent- | hundred | century |
| hecto- | hundred | hectogram:100 grams |
| milli- | thousand | millennium |
| kilo- | thousand | kilogram: 1,000 grams |
| mega- | million or large | megaton: one million tons |
| giga- | billion | gigawatt: one billion watts |
| multi- | many | multinational |
| poly- | many | polygon |
| ambi- | both, double, around | ambidextrous |
| omni- | all | omnipotent |
| semi-
hemi |
half
half |
semisweet
hemisphere |
