caustic

• adj.[化学的]腐食性; [化学的]苛性; 平均; 焦げた曲線
• n. [補助]苛性ソーダ; 苛性ソーダ; 焦げた曲線

語源的にはcauterise（焼く）と同じ。

caustic

caustic: see holocaust

caustic (adj.)

c. 1400, "burning, corrosive," from Latin causticus "burning, caustic," from Greek kaustikos "capable of burning; corrosive," from kaustos "combustible; burnt," verbal adjective from kaiein, the Greek word for "to burn" (transitive and intransitive) in all periods, which is of uncertain origin with no certain cognates outside Greek. Figurative sense of "sarcastic" is attested from 1771. As a noun, early 15c., from the adjective.

1. He was often caustic and mocking,or flew into rages.

彼はよく皮肉や皮肉を言ったり、時には怒ったりします。

2.His abrasive wit and caustic comments were an interviewer 's nightmare.

彼は賢明で意地悪で、コメントが辛辣で、彼を取材した人にとっては悪夢だった。

3.He opened his mouth to make a caustic retort.

彼は口を開けて厳しい反撃を始めた。

4.He enjoysメイキング caustic remarks about other people.

彼は皮肉を言うのが好きだ。

5.He delights in Making caustic remarks.

彼は人を傷つけるのが好きだ。