expansion

expansion is on the Basic English 850 List.

existence - expansion - experience

expansion is on the Academic Word List.

Pronunciation

• IPA ^(key): /ɪkˈspænʃən/

• Audio (US)

  (file)

• Hyphenation: ex‧pan‧sion

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