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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Vietnamese officials say the relationship with the U.S. is anchored in American efforts to address war legacies such as Agent Orange contamination and unexploded ordnance in the countryside that still threaten lives. Aniruddha Ghosal, Los Angeles Times, 30 Apr. 2025 Mai Am Thien Duyen, a rehab and support center for Agent Orange victims, in Củ Chi on March 7, 2025. Miranda Jeyaretnam, Time, 30 Apr. 2025 That led to a ban on domestic use and suspension of Agent Orange use by the military in April 1970, with the last mission flown in early 1971. Pamela McElwee, The Conversation, 28 Apr. 2025 Puerto Rico was also a guinea pig in the development of the birth control pill and in the Agent Orange tests. Carlos Aguilar, Los Angeles Times, 29 Mar. 2025 See All Example Sentences for Agent Orange

Word History

Etymology

so called from the identifying color stripe on its container

First Known Use

1970, in the meaning defined above

Time Traveler
The first known use of Agent Orange was in 1970

Browse Nearby Words

Cite this Entry

“Agent Orange.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Agent%20Orange. Accessed 11 May. 2025.

Medical Definition

: 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

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