Dual vs Twin - What's the difference?
dual | twin |
Exhibiting duality; characterized by having two (usually equivalent) components.
Acting as a counterpart.
Double.
(grammar) Pertaining to grammatical number (as in singular and plural), referring to two of something, such as a pair of shoes, in the context of the singular', '''plural''' and in some languages, ' trial grammatical number. Modern Arabic displays a dual number, as did Homeric Greek.
(linear algebra)
(category theory)
Of an item that is one of a pair, the other item in the pair.
(geometry) Of a regular polyhedron with V'' vertices and ''F'' faces, the regular polyhedron having ''F'' vertices and ''V faces.
(grammar) dual number The grammatical number of a noun marking two of something (as in singular, dual, plural), sometimes referring to two of anything (a couple of', ' exactly two of ), or a chirality-marked pair (as in left and right, as with gloves or shoes) or in some languages as a discourse marker, "between you and me". A few languages display trial number.
(mathematics) Of a vector in an inner product space, the linear functional corresponding to taking the inner product with that vector. The set of all duals is a vector space called the dual space.
Either of two people (or, less commonly, animals) who shared the same uterus at the same time; one who was born at the same birth as a sibling.
Either of two similar or closely related objects, entities etc.
A room in a hotel, guesthouse, etc. with two beds; a twin room.
(US) A twin size mattress or a bed designed for such a mattress.
A twin crystal.
(modifier) Forming a pair of twins.
(modifier) Forming a matched pair.
(transitive, obsolete, outside, Scotland) To separate, divide.
(intransitive, obsolete, outside, Scotland) To split, part; to go away, depart.
(usually in the passive) To join, unite; to form links between (now especially of two places in different countries).
* Tennyson
To give birth to twins.
* 1874 , Thomas Hardy, Far from the Madding Crowd
(obsolete) To be born at the same birth.
As nouns the difference between dual and twin
is that dual is of an item that is one of a pair, the other item in the pair while twin is either of two people (or, less commonly, animals) who shared the same uterus at the same time; one who was born at the same birth as a sibling.As an adjective dual
is exhibiting duality; characterized by having two (usually equivalent) components.As a verb twin is
to separate, divide.dual
English
Alternative forms
*Adjective
(-)- dual-headed computer
Derived terms
* duality * dualismNoun
(en noun)- The octahedron is the dual of the cube.
See also
* * unal * duelAnagrams
* * * ----twin
English
Alternative forms
* twynne (obsolete)Noun
(en noun)- the twin boys
- twin socks
Derived terms
* conjoined twin * identical twin * Siamese twin *twincestSynonyms
* twindle, twinling, doublet (in the sense of twins and triplets)See also
* twyndyllyng * (hotel room) single, double * twainVerb
(twinn)- Placetown in England is twinned with Machinville in France.
- For example, Coventry twinned with Dresden as an act of peace and reconciliation, both cities having been heavily bombed during the war.
- Still we moved / Together, twinned , as horse's ear and eye.
- “I’ve run to tell ye,” said the junior shepherd, supporting his exhausted youthful frame against the doorpost, “that you must come directly. Two more ewes have twinned — that’s what’s the matter, Shepherd Oak.”
- (Shakespeare)
