とうか 等価 Common word LinksSentence search for 等価Sentence search for とうかKanji details for 等 and 価Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. equivalence; equal value; parity1ドルはげんざい現在110えん円ととうか等価である。One dollar is equivalent to 110 yen.Noun2. (logical) equivalenceSee also 同値 Discussions Log in to talk about this word.