twinning

1. gerundparticiplepresentpresent participle and gerund of twin

plural twinnings

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

1. not comparableProducing two offspring from one pregnancy.

   Synonyms: biparous