Zero

空

kū

(linguistics: present at an abstract level but not realized in the data)

〇

(numeric symbol of zero)

ゼロ

zero

(numeric symbol of zero)

零

rei

(numeric symbol of zero)

零

rei

(digit zero)

零

rei

(zero value of a magnitude)

零点

reiten

(value of a function’s independent variables when the value of the function is zero)

０

(numeric symbol of zero)

〇

(cardinal number before 1, denoting nothing)

ゼロ

zero

(cardinal number before 1, denoting nothing)

零

rei

(cardinal number before 1, denoting nothing)