等とう価か

と

う

か

Common wordJLPTN1Freq.FrequencyTop 50,000

Meanings

1

noun, noun which may take the genitive case particle 'no'

General term for things being equal in value, worth, or effect. Used in economics, mathematics, and everyday comparisons.

で

交こう

換かん

でき

ます

。

These two products can be exchanged at equal value.

等とう価かなサービスを提てい供きょうする必ひつ要ようがある。

We need to provide an equivalent service.

2

logical equivalence

Technical term in logic and mathematics, often synonymous with 同値. Used when two statements have the same truth value.

〈物もの〉と等とう価かであるto be of equal value to X
このコインは金きん一いち枚まいと等とう価かである。
This coin is equivalent in value to one gold piece.
〈事こと〉と等とう価かとみなすto regard X as equivalent to Y
この二ふたつの命めい題だいは等とう価かとみなすことができる。
These two propositions can be regarded as logically equivalent.
〈物もの〉と等とう価かの関かん係けいにあるto be in a relationship of equivalence with X
エネルギーと質しつ量りょうは等とう価かの関かん係けいにある。
Energy and mass are in a relationship of equivalence.

同どう値ち sense 2
同値 is the strict logic/math term for two statements sharing the same truth value, while 等価 is broader and also covers equal value or worth in everyday and economic contexts.
同どう等とうN1sense 1
同等 emphasizes equal rank or standing between people or things, whereas 等価 focuses specifically on equal value or worth.
均きん等とうN1sense 1
均等 describes things being evenly or fairly distributed, while 等価 describes two things having the same value.
相そう当とうN3sense 1
相当 means being roughly equivalent or corresponding to something, while 等価 asserts a precise equality of value.
等ひとしいN2
等価 is a technical term meaning 'of equivalent value' (as in math, economics, or logic), while 等しい is the general adjective for 'equal' usable in everyday and formal speech alike.

対たい価か sense 1
対価 refers to the price or compensation given in exchange for something, while 等価 refers to two things being of equal value, despite sharing the kanji 価.
特とっ価か sense 1
特価 means a special discounted price, while 等価 means equal value; the words sound alike and share the kanji 価 but mean very different things.

Compound of 等 (equal) and 価 (value). The reading is on'yomi.

ざん

equivalence operation; IFF operation

equivalent reference string

banana equivalent dose; BED