来自希腊语deleter, 破坏者，毁灭者，可能进一步来自PIE*da, 切，分，词源同 demon.即破坏性的，有害的。
- deleterious (adj.)
- 1640s, from Medieval Latin deleterius, from Greek deleterios "noxious," from deleter "destroyer," from deleisthai "to hurt, injure." Related: Deleteriously; deleteriousness.
- 1. The cold weather had most deleterious consequences among the chrysanthemums.
- 2. Petty crime is having a deleterious effect on community life.
- 3. Exactly why the foreign body is so deleterious is not clear.
- 4. In normal seedlings the deleterious recessive genes are not expressed.
- 5. The oxides of nitrogen can have deleterious effects on materials, vegetation, and animal and human life.
- 氮的氧化物对物质 、 植物 、 动物和人类生活有毒害效应.
[ deleterious 造句 ]