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μ (EN)
lettre, symbole, symbole

lettre “μ”

μ, mu
  1. la douzième lettre de l'alphabet grec, mu
    In physics equations, the Greek letter μ is often used to represent different constants.

symbole “μ”

μ
  1. (symbole en statistique) pour la moyenne de la population
    In statistics, μ represents the average of a population, such as the average height of all students in a school.
  2. (en physique) le symbole du coefficient de frottement
    The equation uses μ to denote friction between surfaces, helping engineers calculate how materials will slide over each other.
  3. (symbole de physique) le symbole de la perméabilité
    The material's permeability, μ, determines how it responds to magnetic fields, which is important in designing electromagnets.

symbole “μ”

μ
  1. (en mesures) un préfixe signifiant micro-, ou un millionième (10⁻⁶)
    The size of the bacteria is about 2 μm which is very small.