adj, noun, verb ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   The act of producing twins.
2. 2
   The act of giving birth to twins.
3. 3
   The pairing of similar objects (such as towns).
4. 4
   The formation of twin crystals.
5. 5
   A type of identity transformation where a subject transforms into a copy or clone of someone else.

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6. 6
   The conversion of a road into a dual carriageway.

Verb

1. 1
   present participle and gerund of twin form-of, gerund, participle, present

Adjective

1. 1
   Producing two offspring from one pregnancy. not-comparable

Adjective

1. 1
   producing two offspring at a time wordnet

Synonyms

All synonyms

ambiguityambivalencebifurcationbiparousbiparousbiparous

Example

More examples

"The town twinning committee organised this exhibition."

Etymology

From twin + -ing.

Related phrases

crystal twinningpolysynthetic twinningtown twinningdual carriagewaygiving birthtwin crystal

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.