未知数
Common
Noun
1
noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no'
número desconocido
1
noun (common) (futsuumeishi)
mathematics
(an) unknown;unknown number;variable
See also:
既知数 (きちすう)
Ｘ記号は数学ではたいてい未知数を表す。
The symbol "x" usually stands for an unknown quantity in mathematics.
2
noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no'
unknown quantity;not yet known