methylene chloride

noun

Chemistry.

1. a colorless, volatile liquid, CH 2 Cl 2 , used chiefly as a solvent, as a refrigerant, and as a local anesthetic in dentistry.

methylene chloride

noun

1. another name for dichloromethane

Word History and Origins

Origin of methylene chloride¹

First recorded in 1875–80

Example Sentences

But the results lined up with recent findings showing possible links between autism and exposure to metals and certain solvents during pregnancy or early childhood, including a solvent called methylene chloride.

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Ethyl acetate and methylene chloride are two common solvents used to extract caffeine from green coffee beans.

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“Exposure to methylene chloride has devastated families across this country for too long, including some who saw loved ones go to work and never come home,” EPA Administrator Michael Regan said in a statement.

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In a 2-year animal inhalation study sponsored by the National Toxicology Program, methylene chloride produced a significant increase in benign and malignant tumors of the lung and liver of male and female mice.

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The toy consists of two glass bulbs connected by a glass tube with a highly volatile liquid, methylene chloride, stored within.

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