adjective
consisting of or involving two parts or components usually in pairs
Synonyms
Examples
- an egg with a double yolk
- a double (binary) star
- double doors
- dual controls for pilot and copilot
- duple (or double) time consists of two (or a multiple of two) beats to a measure
adjective
having more than one decidedly dissimilar aspects or qualities
Synonyms
Examples
- a double (or dual) role for an actor
- the office of a clergyman is twofold
- public preaching and private influence"- R.W.Emerson
- every episode has its double and treble meaning"-Frederick Harrison
adjective
a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural)
Examples
- ancient Greek had the dual form but it has merged with the plural form in modern Greek