Agent Orange


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A·gent Or·ange

(ā'jent ōr'anj),
An herbicide and defoliant consisting of (2,4,5-trichlorophenoxy)acetic acid, (2,4-dichlorophenoxy) acetic acid, and dioxin, that was widely used during the Vietnam War; it has been shown to produce residual postexposure carcinogenic and teratogenic effects in humans.

Agent Orange

n.
A herbicide containing trace amounts of the toxic contaminant dioxin, used in the Vietnam War to defoliate areas of forest.

Agent Orange

a U.S. military code name for a mixture of two herbicides, 2,4-D and 2,4,5-T, used as a defoliant during the Vietnam War between 1961 and 1971. The herbicides were unintentionally contaminated with the highly toxic chemical dioxin, which is believed to cause cancer and birth defects in animals and has been established as a cause of chloracne and porphyria cutanea tarda in humans. See also dioxin.
A herbicide contaminated with 1-20 ppm of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), causing chloracne, cancer, altered enzyme levels, porphyrin metabolism, and immune dysfunction; because TCDD stores in adipose tissue, its long-term effects are currently unknown

agent orange

A defoliant preparation containing the very toxic heterocyclic hydrocarbon DIOXIN. Agent orange was widely used in the Vietnam war and is thought to have been the cause of many cases of cancer and of congenital malformations among the exposed population.
References in periodicals archive ?
Officials from the Ministry of Foreign Affairs, tasked with building the strategic relationship, express in private the most caution about using Agent Orange as an issue.
While the report doesn't support claims that Agent Orange causes diabetes, its media treatment is an object lesson in how weak science gets used for political purposes--and how those who should know better needlessly spread fear and anxiety.
The US authorities deny any Agent Orange was buried on Okinawa but Mr Mitchell's articles are leading to calls for a major investigation into the scale of any buried Agent Orange chemicals in the area.
Agent Orange exposure was linked with a 52 percent raise in overall risk of prostate cancer detection by biopsy.
The Agent Orange cleanup, which is expected to cost $43 million and take four years, is the latest sign of warming relations between the U.
Vietnam has asked America for help in cleaning up the environmental damage from Agent Orange before.
I heard it might be Agent Orange," she told AFP in her tiny house in Danang city as her adult daughters crawled around her like infants.
has previously shelled out billions of dollars in disability payments to American soldiers who developed illnesses associated with the defoliant - its active ingredient is dioxin, which has persistently been linked to cancer and multiple birth defects - this marks the first occasion the nation has made a move to clean up the approximately 20 million gallons of Agent Orange it dumped on Vietnamese trees and vegetation in the decade between 1961 and 1971.
Because of concerns among veterans over Agent Orange exposure, the Department of Veterans Affairs (VA) has conducted a series of studies of specific cancers among Vietnam veterans.
Her patients are children whom she suspects were poisoned by the dioxin that lingers in Vietnam's soil and water more than three decades after American pilots sprayed the highly toxic Agent Orange herbicide over an area the size of Massachusetts.
It follow the lasting consequences of Agent Orange in that country, continuing the story begun in WAITING FOR AN ARMY TO DIE and presenting the author's journey to Vietnam visiting the communities and hospitals where Agent Orange victims reside.
There has been much published on the effects of Agent Orange on US veterans of the Vietnam War.