Also found in: Thesaurus, Medical, Encyclopedia.


Of or containing arsenic.
A drug or preparation containing arsenic.


(Elements & Compounds) of or containing arsenic
1. (Elements & Compounds) a drug or insecticide containing arsenic
2. (Pharmacology) a drug or insecticide containing arsenic


(ɑrˈsɛn ɪ kəl)

1. containing or relating to arsenic.
2. any of a group of pesticides, drugs, or other compounds containing arsenic.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.arsenical - a pesticide or drug containing arsenic
drug - a substance that is used as a medicine or narcotic
pesticide - a chemical used to kill pests (as rodents or insects)
Adj.1.arsenical - relating to or containing arsenicarsenical - relating to or containing arsenic; "arsenic vapor"


[ɑːˈsenɪkl] ADJarsénico, arsenical
References in classic literature ?
There was nothing on the walls but the paper, an expanse of arsenical green, soiled with indelible smudges here and there, and with stains resembling faded maps of uninhabited continents.
12 Prolonged ingestion of arsenic results in arsenical hyperkeratosis which appears predominantly on the palms and soles and it has been found that keratosis on the soles is the most sensitive marker for the detection of arsenicosis at an early stage.
In many of these areas, epidemics of chronic arsenicosis have occurred with arsenical skin conditions such as melanosis; leukomelanosis ('raindrops on a dusty road') pigmentation changes; and hyperkeratosis, particularly on the palms of the hands and soles of the feet.
Key words Arsenical neuropathy--arsenicosis--chronic arsenic toxicity--COPD--keratosis--pigmentation--treatment of arsenicosis
Yong Cai of Florida International University spoke about the use of arsenical pesticides and added that the same difficulty lies in trying to determine the extent of arsenic mobility and ecotoxicity in an open system.
The occurrence of endemic arsenical skin disease and cancer was first recognized in 1955.
1,5) There is no association between KPPC and arsenical agents or syphilis.
In fish and most shellfish, the predominant arsenical is arsenobetaine, the nontoxic nature of which has been clearly established (4, 5).
Plagued by hordes of hungry Colorado beetles, North American farmers resorted to large-scale applications of Paris-green - an arsenical compound used to colour most green paints - in the late 1860s.
The publication concludes that darinaparsin's range of action against these multiple drivers of neoplastic cell proliferation may make this organic arsenical an effective therapy for multiple resistant solid and hematological malignancies.
Using turkey consumption data from the National Health and Nutrition Examination Survey (NHANES), we estimated the lifetime average daily exposure to these arsenic species among turkey consumers and estimated cancer risks associated with ingestion of iAs attributable to arsenical drug use in animal production.
5 The disease should be differentiated from arsenical keratosis, porokeratotic eccrine ostial and dermal duct nevus, porokeratosis palmaris et plantaris disseminate and punctate porokeratotic keratoderma which may have same presentation.