less common spelling of mole entry 5
: the base unit of amount of pure substance in the International System of Units that is defined as having exactly 6.02214076 x 1023 indivisible units (such as atoms or molecules) of that substance
First you would need to measure out one mole of salt. Remember that one mole of a compound equals its relative molecular mass in grams, so to obtain one mole of sodium chloride you would weigh out 58.5 g …—
John Atkinson and Carol Hibbert
John Atkinson and Carol Hibbertone mole of helium contains 4 grams
molecular; molecule
: a pigmented spot, mark, or small permanent protuberance on the human body
especially
: nevus
1
: any of numerous burrowing insectivores (especially family Talpidae) with tiny eyes, concealed ears, and soft fur
2
: one who works in the dark
3
: a machine for tunneling
4
: a spy (such as a double agent) who establishes a cover long before beginning espionage
broadly
: one within an organization who passes on information
: an abnormal mass in the uterus especially when containing fetal tissues
1
: a massive work formed of masonry and large stones or earth laid in the sea as a pier or breakwater
2
: the harbor formed by a mole
variants
or less commonly mol
plural moles
: the base unit of amount of pure substance in the International System of Units that is defined as having exactly 6.02214076 x 1023 indivisible units (such as atoms or molecules) of that substance
First you would need to measure out one mole of salt. Remember that one mole of a compound equals its relative molecular mass in grams, so to obtain one mole of sodium chloride you would weigh out 58.5 g …—John Atkinson and Carol Hibbert
John Atkinson and Carol Hibbertone mole of helium contains 4 grams
: a spicy sauce made with chiles and usually chocolate and served with meat
Examples of mol in a Sentence
Noun (3)
for years we have had a mole in the enemy's national intelligence agency
Recent Examples on the Web
Lauren Dana Ellman,
Travel + Leisure,
4 July 2026
Or mountains of chips covered in mole or salsa fortified with chile pasilla in Oaxaca.
—
Jenn Harris,
Los Angeles Times,
2 July 2026
The day after her dream, Rees went to the doctor, and a nurse checked the mole over.
—
Adam England,
PEOPLE,
2 July 2026
Mexican comfort food known for agua frescas, frozen margaritas, enchiladas (mole, salsa verde and sour cream trio), pambazos and desserts.
—
Ella Gonzales,
Fort Worth Star-Telegram,
16 June 2026
See All Example Sentences for mol
Examples are automatically compiled from online sources to
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Noun
Loved for its rich culinary traditions, the city is known for specialties like mole and mezcal, which reflect the region's Indigenous and Spanish heritage.
—
Lauren Dana Ellman,
Travel + Leisure,
4 July 2026
Or mountains of chips covered in mole or salsa fortified with chile pasilla in Oaxaca.
—
Jenn Harris,
Los Angeles Times,
2 July 2026
The day after her dream, Rees went to the doctor, and a nurse checked the mole over.
—
Adam England,
PEOPLE,
2 July 2026
Mexican comfort food known for agua frescas, frozen margaritas, enchiladas (mole, salsa verde and sour cream trio), pambazos and desserts.
—
Ella Gonzales,
Fort Worth Star-Telegram,
16 June 2026
See All Example Sentences for mol
Cite this Entry
“Mol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mol. Accessed 5 Jul. 2026.
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