expansion

expansion, agrandissement

Fait de devenir plus grand ou d’occuper davantage d’espace.

En anglais simple : The process of becoming larger or covering more space.

• Heat causes the expansion of metal.
• The company plans further expansion overseas.
• Rapid urban expansion has destroyed many farms.

Comment l'utiliser : expansion of something (The expansion of the town has increased traffic.)

Synonymes : growth, enlargement

Contraires : contraction

Expressions courantes : rapid expansion, expansion of something, business expansion

extension

Produit supplémentaire ajoutant du contenu ou des fonctionnalités à un jeu ou autre produit déjà possédé.

En anglais simple : An extra product that adds new content or features to something you already own.

• This expansion adds new characters.
• You need the original game to use the expansion.
• We bought two expansions for our favorite board game.

Synonymes : add-on

Expressions courantes : an expansion pack, a game expansion, buy an expansion

extension, annexe

Nouvelle partie ajoutée à un bâtiment ou à une autre chose existante.

En anglais simple : A new part added to a building or other existing thing.

• The expansion includes six new rooms.
• Our office is in the new expansion.
• They opened the hospital expansion last spring.

Synonymes : extension, addition

Expressions courantes : a hospital expansion, a new expansion, the office expansion

forme développée

Mots écrits en entier que représente un nom abrégé ou un groupe de lettres.

En anglais simple : The full words represented by a shortened name or group of letters.

• The expansion of BBC is British Broadcasting Corporation.
• The guide gives the expansion of each abbreviation.
• This acronym has two possible expansions.

Comment l'utiliser : expansion of something (The expansion of this abbreviation appears in the glossary.)

Synonymes : full form

Expressions courantes : acronym expansion, expansion of something, the full expansion

coefficient de dilatation thermique

Nombre indiquant de combien un matériau s’allonge lorsque sa température augmente d’un degré.

En anglais simple : A number showing how much a material grows longer for each degree its temperature rises.

• The table gives the expansion of steel.
• Engineers compared the expansion of the two alloys.
• We used the expansion coefficient to calculate the final length.

Synonymes : coefficient of thermal expansion

Expressions courantes : thermal expansion, expansion coefficient, linear expansion