expansion

expansion is part of the Academic Word List. It is important for students in college and university.

Pronunciation

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Noun

Singular expansion

Plural expansions

1. The act or process of expanding.

   The expansion of metals and plastics in response to heat is well understood.

2. A new addition.

   My new office is in the expansion behind the main building.

3. A product to be used with a previous product.

   This expansion requires the original game-board.

Antonyms

• contraction

Related words

• expand
• expanse
• expansive