Illustration of tobacco
- tobacco 1
tobacco
noun
to·bac·co
tə-ˈba-(ˌ)kō 
plural tobaccos
1
: any of a genus (Nicotiana) of chiefly American plants of the nightshade family with viscid foliage and tubular flowers
especially
: a tall erect annual tropical American herb (N. tabacum) cultivated for its leaves
2
: the leaves of cultivated tobacco prepared for use in smoking or chewing or as snuff
3
: manufactured products of tobacco (such as cigars or cigarettes)
also
: smoking as a practice
has sworn off tobacco
4
: a moderate brown
Examples of tobacco in a Sentence
a farm that grows tobacco
a state tax on tobacco
Recent Examples on the Web
The system works across multiple species, including tobacco, tomatoes, and soybeans, showing higher regeneration rates than many existing techniques.
—
Aamir Khollam, Interesting Engineering, 6 Nov. 2025
On his dad’s side, he was descended from Kentucky tobacco farmers and ministers.
—Marissa R. Moss, Rolling Stone, 6 Nov. 2025
Items not valid for the senior and discount included prescriptions, alcohol, tobacco, phone services, transit passes, postage, Arizona Lottery tickets, event tickets, fuel, gift cards, money orders and Western Union services.
—Rey Covarrubias Jr, AZCentral.com, 4 Nov. 2025
In their journal article, Brooks and his coauthors point out that cannabis smoke — which users often inhale more deeply than tobacco smoke, without filtration — contains compounds known to damage DNA and promote inflammation and tumor growth.
—Tom Gavin, EverydayHealth.com, 4 Nov. 2025
See All Example Sentences for tobacco
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Aamir Khollam, Interesting Engineering, 6 Nov. 2025
On his dad’s side, he was descended from Kentucky tobacco farmers and ministers.
—Marissa R. Moss, Rolling Stone, 6 Nov. 2025
Items not valid for the senior and discount included prescriptions, alcohol, tobacco, phone services, transit passes, postage, Arizona Lottery tickets, event tickets, fuel, gift cards, money orders and Western Union services.
—Rey Covarrubias Jr, AZCentral.com, 4 Nov. 2025
In their journal article, Brooks and his coauthors point out that cannabis smoke — which users often inhale more deeply than tobacco smoke, without filtration — contains compounds known to damage DNA and promote inflammation and tumor growth.
—Tom Gavin, EverydayHealth.com, 4 Nov. 2025
See All Example Sentences for tobacco
Cite this Entry
“Tobacco.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tobacco. Accessed 13 Nov. 2025.
Copy CitationKids Definition
tobacco
noun
to·bac·co
tə-ˈbak-ō
plural tobaccos
1
: any of a genus of chiefly American plants of the nightshade family that have sticky leaves and tube-shaped flowers
especially
: a tall upright tropical American herb with pink or white flowers that is grown for its leaves
2
: the leaves of cultivated tobacco prepared for use in smoking or chewing or as snuff
Medical Definition
tobacco
noun
to·bac·co
tə-ˈbak-(ˌ)ō
plural tobaccos
1
: any plant of the genus Nicotiana
especially
: an annual South American herb (N. tabacum) cultivated for its leaves
2
: the leaves of cultivated tobacco prepared for use in smoking or chewing or as snuff
3
: manufactured products of tobacco
also
: the use of tobacco as a practice
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