What does "trimethylglycine" mean?

An organic compound related to choline, with the difference that the terminal carboxylic acid group of trimethylglycine has been reduced to a hydroxyl group in choline.

What is a synonym for "trimethylglycine"?

Common synonyms include: betaine, glycine betaine, glycine betaine, tmg, tmg.

Trimethylglycine

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
An organic compound related to choline, with the difference that the terminal carboxylic acid group of trimethylglycine has been reduced to a hydroxyl group in choline. uncountable

Synonyms

All synonyms

betaine glycine betaine glycine betaine tmg tmg

Etymology

From trimethyl + glycine.

Related phrases

carboxylic acid organic compound

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.