phenylthiocarbamide

noun

: a crystalline compound C7H8N2S that is extremely bitter or tasteless depending on the presence or absence of a single dominant gene in the taster

called also phenylthiourea, PTC

Word History

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of phenylthiocarbamide was in 1889

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Cite this Entry

“Phenylthiocarbamide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phenylthiocarbamide. Accessed 8 Jul. 2026.

Kids Definition

phenylthiocarbamide

noun
: a compound that is extremely bitter or tasteless depending on the presence or absence of a single dominant gene in the taster

called also PTC

Medical Definition

phenylthiocarbamide

noun
: a crystalline compound C7H8N2S that is extremely bitter or tasteless depending on the presence or absence of a single dominant gene in the taster

called also phenylthiourea, PTC

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