dual

double

Qui possède en même temps deux rôles, buts, identités ou autres caractéristiques.

En anglais simple : Having two roles, purposes, identities, or other features at the same time.

• This room has a dual purpose.
• She has dual citizenship.
• His dual role as teacher and coach keeps him busy.

Synonymes : twofold, double

Contraires : single

Expressions courantes : dual role, dual purpose, dual citizenship

double

Qui comprend deux parties fonctionnant ensemble ou remplissant des fonctions similaires.

En anglais simple : Having two parts that work together or do similar jobs.

• The car has dual controls.
• Dual cameras allow the phone to capture more detail.
• This machine uses dual motors to lift heavy loads.

Synonymes : double, twin

Contraires : single

Expressions courantes : dual controls, dual motors, dual cameras

duel

Se dit d’une forme de mot désignant exactement deux personnes ou choses dans certaines langues.

En anglais simple : Describing a word form used for exactly two people or things in some languages.

• This noun has a dual form.
• Arabic uses the dual number for pairs.
• The students compared singular, dual, and plural pronouns.

Expressions courantes : dual number, dual form, dual pronouns

dual

Polyèdre obtenu en échangeant les faces et les sommets d’un autre, tout en conservant leurs relations de connexion.

En anglais simple : A solid shape made by exchanging another solid’s faces and corners, with matching connections.

• Every cube has an octahedral dual.
• We constructed the dual by placing a vertex on each face.
• The two polyhedra are duals of each other.

Comment l'utiliser : dual of something (The cube is the dual of the octahedron.)

Expressions courantes : dual of something, regular dual, polyhedral dual