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  • aldrin
    aldrin
    noun
    a brown, water-insoluble, toxic solid consisting of more than 95 percent of the chlorinated hydrocarbon C 12 H 8 Cl 6 : used as an insecticide.
  • Aldrin
    Aldrin
    noun
    Edwin Eugene, Jr. Buzz, born 1930, U.S. astronaut.

aldrin

1 American  
[awl-drin] / ˈɔl drɪn /

noun

Chemistry.
  1. a brown, water-insoluble, toxic solid consisting of more than 95 percent of the chlorinated hydrocarbon C 12 H 8 Cl 6 : used as an insecticide.


Aldrin 2 American  
[awl-drin] / ˈɔl drɪn /

noun

  1. Edwin Eugene, Jr. Buzz, born 1930, U.S. astronaut.


aldrin 1 British  
/ ˈɔːldrɪn /

noun

  1. a brown to white poisonous crystalline solid, more than 95 per cent of which consists of the compound C 12 H 8 Cl 6 , which is used as an insecticide. Melting pt: 105°C

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Aldrin 2 British  
/ ˈɔːldrɪn /

noun

  1. Edwin Eugene Jr. , known as Buzz. born 1930, US astronaut; the second man to set foot on the moon on July 20, 1969, during the Apollo 11 flight

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

aldrin Scientific  
/ ôldrĭn /
  1. A highly poisonous white powder used as a crop pesticide and to kill termites. Because of its toxicity to animals and humans, its production has been discontinued. Aldrin is a chlorinated derivative of naphthalene closely related to dieldrin. Chemical formula: C 12 H 8 Cl 6 .


Etymology

Origin of aldrin

1949; named after Kurt Alder; see -in 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Beyond that, aldrin, like most of this group of insecticides, projects a menacing shadow into the future—the shadow of sterility.

From The New Yorker Jan. 3, 2017

When carrots are taken from a bed treated with aldrin, they are found to contain residues of dieldrin—a change that occurs both in the living tissues and in the soil.

From The New Yorker Jan. 3, 2017

If a chemist, knowing that aldrin has been applied, tests for it, he will be deceived into thinking all residues have been dissipated.

From The New Yorker Jan. 3, 2017

Recently, after a year of still-unfinished hearings, the Environmental Protection Agency announced that it plans to order a halt in the production of aldrin and a related Shell pesticide, dieldrin.

From Time Magazine Archive

Rats exposed to aldrin had fewer pregnancies and their young were sickly and short-lived.

From "Silent Spring" by Rachel Carson

Everyone knows Neil Armstrong and Buzz Aldrin walked on the moon in 1969.

From The Wall Street Journal May 15, 2026

But after they touch down on the moon, they won’t be able to climb down a ladder to the surface the way Neil Armstrong and Buzz Aldrin did on Apollo 11.

From Slate Dec. 9, 2025

In the episode, Kardashian can be seen showing Paulson an interview with astronaut Buzz Aldrin, who along with Neil Armstrong took the first steps on the lunar surface during the Apollo 11 mission.

From BBC Oct. 31, 2025

“I don’t think we did. I think it was fake,” Kardashian said, adding that she’s seen several videos of Aldrin allegedly disputing the event.

From Los Angeles Times Oct. 30, 2025

The following year, American astronauts Neil Armstrong and Buzz Aldrin walked on the moon.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin

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