noun
a colorless, volatile, flammable liquid with a pungent odor, used in the manufacture of acetic acid and perfumes
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Acetaldehyde is a colorless liquid with a pungent odor, commonly used in the production of chemicals and plastics.
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I accidentally spilled some acetaldehyde in the lab today, and the smell was unbearable.
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I heard acetaldehyde is like the stink bomb of the chemistry world.
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The acetaldehyde of gossip spread quickly through the office, leaving a lingering sense of unease.