twinning

American  

[twin-ing] / ˈtwɪn ɪŋ /

noun

1. the bearing of two children at one birth.

2. the coupling of two persons or things; union.

3. Crystallography. the union of crystals to form a twin.

4. an act or instance of matching or resembling someone or something in a specific way, and the acknowledgment of this resemblance (often used attributively): I love those twinning outfits.

   accidental twinning;

   I love those twinning outfits.

   Look at their twinning duckfaces.

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Etymology

Origin of twinning

First recorded in 1565–75; twin ¹ + -ing ¹

Example Sentences

Twinning gas with solar and wind offers a way to ensure stable energy supplies and battle climate change, said energy executives and U.S. climate envoy John Kerry.

From Reuters • Mar. 10, 2022

When they finally met, Bobby says in The Twinning Reaction, “We both went, ‘Oh my God, oh my God … holy crap!’

From Slate • Jun. 29, 2018

Twinning is another, which occurs when the crystal structure replicates in mirror images along certain directions in the crystal.

From Textbooks • Jan. 1, 2017

The chairman of the City of Leicester European Twinning Association, Peter Lee, said the city did get good value for money, but it could do more.

From BBC • Jul. 31, 2013

Twinning is represented only by twin-lamellae, which are parallel to the planes m and f and are of secondary origin, having been produced by pressure.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" by Various