dual (adj.)

c. 1600, in grammar, "the form or number relating to two," from Latin dualis "that contains two; the dual number, duality," from duo "two" (from PIE root *dwo- "two"). General sense of "relating to two, expressing two, composed or consisting of two parts" is from 1650s. Related: Dually.

Entries related to dual

*dwo-

Proto-Indo-European root meaning "two."

It forms all or part of: anadiplosis; balance; barouche; between; betwixt; bezel; bi-; binary; bis-; biscuit; combination; combine; deuce; deuterium; Deuteronomy; di- (1) "two, double, twice;" dia-; dichotomy; digraph; dimity; diode; diphthong; diploid; diploma; diplomacy; diplomat; diplomatic; diplodocus; double; doublet; doubloon; doubt; dozen; dual; dubious; duet; duo; duodecimal; duplex; duplicate; duplicity; dyad; epididymis; hendiadys; pinochle; praseodymium; redoubtable; twain; twelfth; twelve; twenty; twi-; twice; twig; twilight; twill; twin; twine; twist; 'twixt; two; twofold; zwieback.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit dvau, Avestan dva, Greek duo, Latin duo, Old Welsh dou, Lithuanian dvi, Old Church Slavonic duva, Old English twa, twegen, German zwei, Gothic twai "two;" first element in Hittite ta-ugash "two years old."

dualism (n.)

1755 as a term in philosophy, "a way of thinking which explains phenomena by the assumption of two independent and absolute elements," from French dualisme (1754); see dual + -ism. Theological sense of "doctrine of two independent divine beings or eternal principles" is by 1847. General sense of "division into two" is by 1831.

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Definitions of dual from WordNet

dual (adj.)

consisting of or involving two parts or components usually in pairs;

dual controls for pilot and copilot

Synonyms: double / duple

dual (adj.)

having more than one decidedly dissimilar aspects or qualities; "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;

a double (or dual) role for an actor

Synonyms: double / twofold / two-fold / treble / threefold / three-fold

dual (adj.)

a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural);

ancient Greek had the dual form but it has merged with the plural form in modern Greek

From wordnet.princeton.edu

Dictionary entries near dual

dryer

dryly

dryness

drywall

du jour

dual

dualism

dualistic

duality

dub

Dubai