English word monoid comes from English -oid, English mono- (One.)
| Dictionary entry | Language | Definition |
|---|---|---|
| -oid | English (eng) | Of similar form to, but not the same as. Having the likeness of. Forms adjectives and nouns. |
| mono- | English (eng) | One. |
| monoid | English (eng) | (mathematics) A set which is closed under an associative binary operation, and which contains an element which is an identity for the operation. |