defoliant

(redirected from defoliants)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to defoliants: Chemical defoliants

de·fo·li·ant

 (dē-fō′lē-ənt)
n.
A chemical sprayed or dusted on plants to cause the leaves to fall off.

defoliant

(diːˈfəʊlɪənt)
n
(Chemistry) a chemical sprayed or dusted onto trees to cause their leaves to fall, esp to remove cover from an enemy in warfare

de•fo•li•ant

(diˈfoʊ li ənt)

n.
a preparation for defoliating plants.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.defoliant - a chemical that is sprayed on plants and causes their leaves to fall off
chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
Translations

defoliant

[diːˈfəʊlɪənt] Ndefoliante m

defoliant

[diːˈfəʊliənt] ndéfoliant m

defoliant

defoliant

[diːˈfəʊlɪənt] ndefogliante m
References in periodicals archive ?
Horticultural vinegar, with an acetic acid concentration of 10 to 20 percent (stronger than household vinegar, at 5 percent), is often used for making defoliants for controlling weeds, including poison ivy.
As a part of the war in Vietnam, the United States military sprayed millions of gallons of herbicides and defoliants between 1962 and 1971 under Operation Ranch Hand.
Like Hung Duc, Khanh is believed to be a victim of Operation Ranch Hand, the United States military's effort during the Vietnam War to deprive the enemy of cover and food by spraying defoliants.
Like Mr Hung Duc, Ms Khanh is believed to be a victim of Operation Ranch Hand, the United States military's effort during the Vietnam War to deprive the enemy of cover and food by spraying defoliants.
Soil pollution results from DDT, a pesticide, and from toxic defoliants used in the production of cotton.
During the Vietnam War, between 1962 and 1971, the US military sprayed nearly 20 million gallons of material containing chemical herbicides and defoliants mixed with jet fuel over parts of Vietnam, eastern Laos and Cambodia.
These facts, unprecedented in history, remain: More than 19 million gallons of defoliants were dropped all over Vietnam by the US forces, and almost seven million tons of bombs were dropped in Indochina.
Hixson and Alexander Bloom, addresses how the war shaped American national identity and in turn foreign policy; the second, in chapters by Diane Niblack Fox and Charles Waugh, examines the environmental legacy of a war in which American forces engaged in the most relentless aerial bombardment in world history and deployed massive quantities of chemical defoliants that poisoned the landscape.
Not only do chemical defoliants such as 2,4-D cause acute illness, they disrupt hormones needed for normal operation of the thyroid gland, kidneys, ovaries and testes.
However, some people might not realise that Canada itself was a major producer of chemical weapons and defoliants in the 20th century.
Swansea-born Jon Mitchell, pictured, has made allegations on Japanese TV and in publications including the Japan Times that defoliants including Agent Orange were buried in Okinawa following the conflict and that they continue to pose a massive threat to health.
Air Force sprayed the country's jungles with defoliants to eliminate hiding places for the Viet Cong.