Dictionary.com
Thesaurus.com

mercaptan

American  
[mer-kap-tan] / mərˈkæp tæn /

noun

Chemistry.
  1. any of a class of sulfur-containing compounds having the type formula RSH, in which R represents a radical, and having an extremely offensive, garlicky odor.


mercaptan British  
/ mɜːˈkæptæn /

noun

  1. another name (not in technical usage) for thiol

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

mercaptan Scientific  
/ mər-kăptăn′ /
  1. See thiol


Etymology

Origin of mercaptan

1825–35; < Latin, short for phrase corpus mercurium captāns body capturing quicksilver

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Piedmont Natural Gas said the cleanup company, Legacy Environmental Services, was destroying mercaptan tanks north of downtown Charlotte that were mistakenly reported as empty, The Charlotte Observer reported.

From Seattle Times • Jul. 14, 2022

The CAA has also ordered the gas companies to add the pungent ethyl mercaptan to the gas cylinders to make it easier to smell gas leaks.

From Reuters • Dec. 8, 2021

Whether hydrogen sulfide or mercaptan, Southern California residents have often used terms like “rotting” or “rotten” to describe funky smells.

From Los Angeles Times • Nov. 22, 2021

A few pools of ethyl mercaptan the size of the reservoir in the middle of Central Park could, if spread evenly throughout the atmosphere, make the entire planet smell like a gas leak.

From New York Times • Feb. 17, 2020

An average man can detect just a few molecules of butyl mercaptan, and most of us can sense the presence of musk in vanishingly small amounts.

From "The Lives of a Cell" by Lewis Thomas

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "mercaptan" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com