| Library / English Dictionary |
IRRITANT
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Something that causes irritation and annoyance
Example:
he's a thorn in my flesh
Synonyms:
irritant; thorn
Classified under:
Nouns denoting cognitive processes and contents
Hypernyms ("irritant" is a kind of...):
annoyance; bother; botheration; infliction; pain; pain in the ass; pain in the neck (something or someone that causes trouble; a source of unhappiness)
Derivation:
irritate (cause annoyance in; disturb, especially by minor irritations)
Context examples:
Health hazards at home, in the work place, or in nature (e.g., infectious agents, irritants, respiratory fibrotic agents, asphyxiants, allergens, metabolic poisons, physical agents, mutagens, teratogens, and carcinogens).
(Environmental Risk Factor, NCI Thesaurus)
Chlordane may be irritant and toxic by ingestion, inhalation, or skin absorption; toxic effects may be cumulative.
(Chlordane, NCI Thesaurus)
A skin irritant that may cause dermatitis of both primary and allergic types.
(Dinitrochlorobenzene, NLM, Medical Subject Headings)
You can prevent some types of eczema by avoiding irritants, stress, and the things you are allergic to.
(Eczema, NIH)
Administered orally, excreted pentosan polysulfate adheres to the urinary bladder wall, preventing irritants from entering bladder cells and the development or progression of interstitial cystitis (IC), a complication of some chemotherapies.
(Pentosan polysulfate, NCI Thesaurus)
Cinnamon bark oil has antibacterial and antifungal properties but is an irritant to skin.
(Cinnamomum zeylanicum Bark Extract, NCI Thesaurus)
Among them are known or suspected toxicants, carcinogens and respiratory irritants, including nicotine, ammonia, formaldehyde, sulfur dioxide, acrolein, hydrogen cyanide, phenol, nitrogen oxide, polycyclic aromatic hydrocarbons, N-Nitrosamines and radionuclides.
(Environmental tobacco smoke, NCI Thesaurus)
Croton oil was used as a drastic purgative agent, but is now mostly used as a standard irritant in pharmacological research.
(Croton Oil, NCI Thesaurus)
Nitrogen mustard (a member of a family of chemotherapy agents including cyclophosphamide and chlorambucil) is an irritant and carcinogenic agent metabolized to a highly reactive ethylene immonium derivative; the ethylene immonium derivative alkylates DNA and inhibits DNA replication.
(Mechlorethamine, NCI Thesaurus)
Due to its irritant effect, benzoyl peroxide increases turnover rate of epithelial cells, thereby peeling the skin and promoting the resolution of comedones.
(Benzoyl Peroxide, NCI Thesaurus)
