rho

rho
[rəʊ]
noun
  1. the seventeenth letter of the Greek alphabet (Ρ, ρ), transliterated as ‘r ’or (when written with a rough breathing) ‘rh’
    希腊字母表中第十七个字母(译写为r,与送气符写在一起时译写为rh)
    ■(Rho)[followed by Latin genitive](Astronomy)the seventeenth star in a constellation
    (天文)ρ星(星座中第十七颗星)
    Rho Cassiopeiae.
    仙后座ρ星。
symbol for
  1. ■density
    密度的符号
    ■Spearman's correlation coefficient
    斯皮尔曼相关系数
语源
  1. Greek
英语宝典
考试词汇表