subgroup

sous-groupe

Groupe composé de certains membres d’un groupe plus grand.

En anglais simple : A smaller group made up of some members of a larger group.

• Each subgroup chose a leader.
• We compared the results for different age subgroups.
• A small subgroup of students needed extra help.

Comment l'utiliser : a subgroup of something (This subgroup of patients responded well.)

Synonymes : subset

Expressions courantes : subgroup of something, patient subgroup, small subgroup

sous-groupe

Ensemble inclus dans un groupe mathématique qui forme aussi un groupe avec la même opération.

En anglais simple : A set within a mathematical group that also forms a group using the same operation.

• This subgroup contains the identity element.
• The proof uses a normal subgroup of the original group.
• Every subgroup must contain the inverse of each of its elements.

Comment l'utiliser : a subgroup of a group (We identified a subgroup of the finite group.)

Expressions courantes : normal subgroup, cyclic subgroup, subgroup of something

diviser en sous-groupes

Répartir les personnes ou les choses d’un grand groupe en groupes plus petits.

En anglais simple : To divide people or things into smaller groups within a larger group.

• We subgroup the patients by age.
• The researchers subgrouped participants according to their symptoms.
• You can subgroup the data before comparing the results.

Comment l'utiliser : subgroup something by something (We subgrouped the results by region.); subgroup something into something (The team subgrouped participants into three age categories.)

Synonymes : subdivide, classify

Expressions courantes : subgroup by age, subgroup the participants, subgroup the data