noun:

• specular colour - IT term

noun:

• extremely powerful weapon (e.g. nuclear); reaction weapon [literal] - only used in science fiction

noun:

• opposing speech; rebuttal (in debate)

noun:

• rebel; traitor

noun:

• iodo-starch reaction

noun:

• Fehling's reaction

noun:

• chemical reaction used to detect residue from gunshots
• gunpowder residue; gun shot residue; GSR - colloquialism

noun / ~する noun:

• cross-examination; retort; asking in return

noun:

• violation of the law

noun:

• anti-war song; protest song

noun:

• ceremony performed by a sorcerer to protect a noble setting out on a trip ➜ 禹歩
• dance steps inspired by this ceremony

noun:

• repulsion

expression:

• action and reaction

noun or verb acting prenominally:

• anti-Chinese

noun:

• anticompetitive behaviour; anticompetitive behavior; anticompetitive practice - Economics term

expression:

• on the other hand

noun:

• reflected wave; rebounded wave; echo

noun:

• (in philosophy) thesis-antithesis-synthesis

noun:

• performance in return; quid pro quo - four character idiom

noun:

• chemical reaction
• generation of an unexpected result from combining things

noun:

• reflectance formulae - IT term

noun:

• holding out one or both hands and arching one's body backward like a shrimp (in kabuki, represents being overwhelmed by someone's power)

noun:

• induced reaction - Chemistry term

noun:

• antisocial personality disorder

noun:

• arched bridge