Nicotine is a poisonousharmful or able to cause illness or death if eaten, touched, or breathed chemical found in tobaccoa plant whose leaves are smoked, chewed, or used in products. It is also used in some medicines and as an insecticidea substance used to kill insects.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-29. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /ˈnɪkəˌtiːn/
Easy pronunciation: NIK-uh-teen (approximate spelling).
Stress: Primary stress on the first syllable, with secondary stress on the third syllable.
Refers to the tobacco alkaloid, the addictive chemical in tobacco.
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-29. AI assessment; not a guarantee of accuracy.
Nicotine Meaning
the addictive chemical in tobacco
Part of speech: noun
Definition: A poisonous alkaloid found in tobacco, also used in some medicines and insecticides.
Example: Nicotine is one of the main chemicals in cigarettes.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-29. AI assessment; not a guarantee of accuracy.
Common Mistakes
- People sometimes use nicotine to mean tobacco or cigarettes, but it is the chemical found in them, not the product itself.
- Nicotine is often discussed with addiction, but it does not mean addiction itself.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-29. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does nicotine mean?
Nicotine is a poisonous chemical found in tobacco. It is the substance in tobacco that makes it addictive.
Is nicotine the same as tobacco?
No. Tobacco is the plant or product, while nicotine is one of the chemicals found in it.
What part of speech is nicotine?
Nicotine is a noun.
What is a simple definition of nicotine?
Nicotine is the addictive chemical in tobacco.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-29. AI assessment; not a guarantee of accuracy.
