mu

mu
[mjuː]
noun
  1. the twelfth letter of the Greek alphabet (M, μ), transliterated as ‘m’
    希腊字母表中第十二个字母(译写为m)
    ■(Mu)[followed by Latin genitive](Astronomy)the twelfth star in a constellation
    (天文)μ星(星座中第十二颗星)
    Mu Cassiopeiae.
    仙后座μ星。
    ■[as modifier](Physics)relating to muons
    (物理)与μ介子有关的
    mu particle.
    μ粒子。
symbol for
  1. ■(μ)micron
    微米
    ■(μ)[in combination]‘micro-’ in symbols for units
    [与计量单位符号组合]微
    the recommended daily amount is 750μg.
    建议的每日用量是750微克。
    ■(μ)permeability
    渗透性
语源
  1. Greek
英语宝典
考试词汇表