heterogeneous

hétérogène, divers

Composé de personnes ou de choses de natures différentes.

En anglais simple : Made up of people or things that are different from one another.

• The class is a heterogeneous group.
• Her books form a heterogeneous collection.
• The survey included a heterogeneous sample of city residents.

Synonymes : diverse, mixed, varied

Contraires : homogeneous

Expressions courantes : heterogeneous group, heterogeneous population, heterogeneous collection

hétérogène

Qui contient plusieurs formes physiques de matière, par exemple un solide et un liquide ensemble.

En anglais simple : Containing more than one physical form of matter, such as a solid and a liquid together.

• Ice in water forms a heterogeneous system.
• The gas reacts with a solid in this heterogeneous reaction.
• Heterogeneous catalysis occurs at the surface of the solid catalyst.

Synonymes : multiphase

Contraires : homogeneous

Expressions courantes : heterogeneous system, heterogeneous reaction, heterogeneous catalysis

hétérogène

Qui contient des parties différentes que l’on peut voir séparément.

En anglais simple : Containing different parts that can be seen separately.

• Sand and water make a heterogeneous mixture.
• The rock is heterogeneous, with visible grains of different colours.
• You can see separate layers in this heterogeneous material.

Synonymes : nonuniform, mixed

Contraires : homogeneous, uniform

Expressions courantes : heterogeneous mixture, heterogeneous material, heterogeneous appearance

incommensurable, hétérogène

De nature trop différente pour permettre une comparaison à l’aide d’une même mesure.

En anglais simple : Too different in kind to be compared using the same measure.

• These heterogeneous quantities cannot be directly compared.
• The calculation combines heterogeneous units, such as metres and seconds.
• A single scale cannot fairly compare these heterogeneous values.

Synonymes : incommensurable

Contraires : commensurable

Expressions courantes : heterogeneous quantities, heterogeneous units, heterogeneous measures