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Agent Orange
noun
: an herbicide widely used as a defoliant in the Vietnam War that is composed of 2,4-D and 2,4,5-T and contains dioxin as a contaminant
Examples of Agent Orange in a Sentence
Recent Examples on the Web
The condition was linked to exposure to Agent Orange, an herbicide used by the American military in Vietnam.
—Will Heinrich, New York Times, 7 Jan. 2025
For decades, Romo was a leader in Vietnam Veterans Against the War (VVAW), advocating for veterans’ benefits and the recognition of the effects of Agent Orange and in support of veterans of other wars.
—Raul A. Reyes, NBC News, 28 Dec. 2024
But the first veterans to be exposed had to wait nearly 30 years before Congress passed the Agent Orange Act of 1991, which established a link between the herbicide and certain cancers and diseases.
—Melissa Chan, NBC News, 18 Sep. 2024
The latency period of toxic exposure effects, as seen with Agent Orange in Vietnam, spans generations.
—Sun Sentinel Editorial Board, Sun Sentinel, 9 Aug. 2024
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Word History
Etymology
so called from the identifying color stripe on its container
First Known Use
1970, in the meaning defined above
Dictionary Entries Near Agent Orange
Cite this Entry
“Agent Orange.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Agent%20Orange. Accessed 18 Jan. 2025.
Medical Definition
Agent Orange
noun
: an herbicide widely used as a defoliant in the Vietnam War that is composed of 2,4-D and 2,4,5-T and contains dioxin as a contaminant
More from Merriam-Webster on Agent Orange
Britannica.com: Encyclopedia article about Agent Orange
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