noxious

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++nox·ious /ˈnɒkʃəs $ ˈnɑːk-/ adjective formal  HARM/BE BAD FORharmful or poisonous 有害的；有毒的 SYN toxic, → innocuous noxious fumes 有毒烟雾

Examples from the Corpus

noxious• It is a noxious and insidious notion that insults the intellectual abilities of black students.• Thus the dreadful smogs of pre-1952 have been eliminated and the emission of noxious and offensive gases limited.• The dumps were generating explosive gases and leaching noxious chemicals that polluted underground water sources.• Increasing tax on petrol would encourage people to drive smaller cars with fewer noxious emissions.• Residents have to put up with noxious fumes from the nearby factory.• Many edible species of butterfly gain protection by resembling noxious or poisonous species.• The normal gastric mucosa can prevent bypass diffusion of potentially noxious substances from the gastric lumen.• There needs to be renewed awareness of the capacity of the synthesizer and sampling to produce filthy, noxious tones.Origin noxious (1400-1500) Latin noxius, from noxa “harm”

nox·ious adjectiveChineseSyllable  

poisonous harmful or Corpus

noxious
nox‧ious /ˈnɒkʃəs $ ˈnɑːk-/ adjective formalharmful or poisonous
   SYN  toxic ⇨ innocuous:
    noxious fumes
     

THESAURUS

   ▪ poisonous containing or producing a substance that is likely to kill you, or make you very ill: poisonous gas | poisonous snakes | The plant is poisonous to humans and animals.
   ▪ toxic toxic chemicals and waste are poisonous to people and the environment: Crops were sprayed with highly toxic chemicals. | Lead is toxic to humans. | The site was used for the disposal of toxic waste.
   ▪ noxious [usually before noun] formal noxious substances and gases are poisonous: Vehicles pollute the air with noxious fumes | The soil may be contaminated with noxious substances.
   ▪ hazardous [usually before noun] hazardous substances are likely to harm people, animals, or the environment if they are not dealt with or got rid of carefully: Lead is one of the most hazardous substances known, causing cancer and nerve damage. | The building is now unoccupied, and all radioactive or hazardous materials have been removed. | hazardous nuclear waste
   ▪ deadly extremely poisonous and likely to kill you – used especially about poisons and snakes: a deadly poison | a deadly snake | Terrorists plotted to release a deadly gas.

nox·iousBrE /ˈnɒkʃəs/ 🔊NAmE /ˈnɑːkʃəs/ 🔊 adjective (formal) poisonous or harmful 有毒的；有害的◆noxious fumes有毒烟雾