逆ぎゃく性せい

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

inverse; reverse; retro-; contra-

Technical prefix or adjectival noun used in scientific and medical compounds to indicate an opposite or reversed property, such as 逆性石鹸 (invert soap) or 逆性転写酵素 (reverse transcriptase). Not a free-standing word.

• 逆ぎゃく性せい石せっ鹸けんは殺さっ菌きん作さ用ようがある。