reciprocal

相互の

二人や二つの集団が、互いに同じ気持ちや行為を向ける。

やさしい英語で： Felt or done by each person or group toward the other.

• Their respect was reciprocal.
• The two countries signed a reciprocal trade agreement.
• Our clubs offer reciprocal membership rights.

類義語： mutual, two-way

反対語： one-sided

よく使う表現： reciprocal agreement, reciprocal respect, reciprocal support

対応する、相関的な

ある点で別のものと対応している。

やさしい英語で： Matching or corresponding to something else in a particular way.

• These two roles have a reciprocal relationship.
• The dictionary lists reciprocal terms for family relationships.
• Teacher and pupil are reciprocal roles within education.

類義語： corresponding, complementary

よく使う表現： reciprocal relationship, reciprocal terms

逆数の

一をある数で割った数、または分子と分母を入れ替えた数を表す。

やさしい英語で： Describing a number made by dividing one by another number, or turning a fraction upside down.

• The reciprocal value of two is one half.
• Multiply by the reciprocal fraction to divide.
• These reciprocal numbers have a product of one.

よく使う表現： reciprocal value, reciprocal fraction

逆数

一を、ゼロではないある数で割って得られる数。

やさしい英語で： The number you get by dividing one by a given number.

• The reciprocal of four is one quarter.
• Multiply the fraction by its reciprocal.
• Can you find the reciprocal of this number?

使い方： reciprocal of something (The reciprocal of five is one fifth.)

類義語： multiplicative inverse

よく使う表現： reciprocal of something, find the reciprocal