特効 とっこう Also written とくこう Meanings Noun striking effect (e.g. of a remedy); dramatic results; special effect; particular efficacy special effects; SFX See also: 特殊効果 (とくしゅこうか). Kanji 特 special. Read as トク. 効 effect. Read as コウ. Words containing 特効 特効薬 (とっこうやく) specific medicine Jinuma: Japanese Dictionary · Word lists