picoline

American  

[pik-uh-leen, -lin] / ˈpɪk əˌlin, -lɪn /

noun

Chemistry.

1. any of three isomeric methyl derivatives of pyridine having the formula C 6 H 7 N, obtained from coal tar as a colorless oily liquid with a strong odor.

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picoline British  

/ -lɪn, ˌpɪkəˈlɪnɪk, ˈpɪkəˌliːn /

noun

1. a liquid derivative of pyridine found in bone oil and coal tar; methylpyridene. Formula: C 5 H 4 N(CH 3 )

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Other Word Forms

• picolinic adjective

Etymology

Origin of picoline

1850–55; < Latin pic- (stem of pix ) pitch ² + -ol ² + -ine ²

Example Sentences

The company says two people were exposed to the nontoxic chemicals methyl iodide and picoline, and the injured person was hurt by broken glass.

From Washington Times

In its synthesis 1,000 grammes of picoline were first converted into alphapicoline, 380 grammes being obtained.

From Project Gutenberg

Pyridine, picoline, lutidine, and collidine, the first four members of the pyridine series, have, moreover, all been formed synthetically, although the processes are not such as would yield the products as cheaply as they can be gotten from Dippel's oil.

From Project Gutenberg

When nicotine vapor is passed through a red-hot tube, it yields essentially collidine, and, with this, some pyridine, picoline, lutidine, and gases such as hydrogen, marsh-gas, and ethylene.

From Project Gutenberg

In smoking, some of the nicotine is decomposed, forming pyridine, picoline, and other poisonous alkaloids.

From Project Gutenberg