collidine

noun

col·​li·​dine

ˈkäləˌdēn,

-də̇n

plural -s

: any of a number of organic bases C₈H₁₁N that are the trimethyl, methyl-ethyl, and propyl homologues of pyridine, that are in general pungent oily poisonous liquids, and are obtained chiefly as by-products in the coking process or are synthesized: such as

a

: the liquid symmetrical trimethyl homolog made by reaction of acetone and ammonia and used as a solvent in chromatography

called also s-collidine, 2,4,6-collidine, 2,4,6-trimethylpyridine

b

: methylethylpyridine

Word History

Etymology

International Scientific Vocabulary coll- + -idine

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!