twin

B1 · Intermediate Countable noun

n. one of two things that are exactly the same or very similar.

n. either of two similar or closely related objects or entities that form a pair.

“The tall buildings were twins, standing on opposite sides of the river.”

“The architect designed the library as a twin to the existing museum, mirroring its limestone facade and arched windows.”

A2 · Elementary Countable noun

n. a room in a hotel that has two separate beds.

n. a hotel accommodation containing two single beds, intended for two occupants.

日本語:ツイン※

“We booked a twin because it was cheaper than getting two separate rooms.”

“The travel agent confirmed that the group would require five twins and three singles to accommodate all the participants comfortably.”

C1 · Advanced Countable noun Aviation Technical

n. an airplane that has two engines.

n. a fixed-wing aircraft powered by two separate engines.

“The pilot preferred flying the twin because it felt safer over the ocean.”

“The flight school recently added a light twin to its fleet to provide students with multi-engine transition training.”

C1 · Advanced Countable noun Slang · American English

n. a friendly way to talk to a male friend.

n. a colloquial term of address used between peers, typically males, to indicate rapport.

“What's up, twin? I haven't seen you in ages.”

“The greeting 'twin' has gained popularity in certain urban dialects as a marker of close social alignment between friends.”

B1 · Intermediate

adj. used to describe two things that are the same or happen together.

adj. forming a matching pair or occurring in a dual capacity.

“The country faces the twin problems of high prices and low wages.”

“The government is currently grappling with the twin challenges of rising inflation and a cooling housing market.”

B2 · Upper Intermediate British English

v. to connect two things or places together, like two cities in different countries.

v. to link or associate two entities, especially to establish a formal sister-city relationship.

“My hometown is twinned with a small village in France.”

“The local council voted to twin the borough with a coastal city in Japan to encourage cultural exchange and tourism.”