nonsmoker

noun

non·​smok·​er ˌnän-ˈsmō-kər How to pronounce nonsmoker (audio)
plural nonsmokers
: a person who does not smoke tobacco : a person who is not a smoker
Radon poisoning is the leading cause of lung cancer in nonsmokers, according to the Environmental Protection Agency.Jonathan Scholles

Examples of nonsmoker in a Sentence

Recent Examples on the Web To date, studies of female nonsmokers in Asia have identified risk factors such as cooking oil fumes, secondhand smoke, air pollution and indoor heating with coal, but no research has focused on Asian American women, Gomez said. Simar Bajaj, NBC News, 7 Mar. 2024 Yet another who is a nonsmoker but eats fast food all the time should start with rethinking diet. Katia Hetter, CNN, 20 Mar. 2024 The data suggest that the cytokine secretion in the innate immune response rapidly returns to the level of nonsmokers after a person quits smoking but that the effects on the adaptive response appear to endure for years or decades through a process called epigenetic memory. Alejandra Manjarrez, Scientific American, 14 Feb. 2024 For example, when triggered, blood samples from smokers (current and former) released more signaling proteins called interleukins than the blood of nonsmokers—a warning sign that their white blood cells were kicking into overdrive. Celia Ford, WIRED, 14 Feb. 2024 The researchers tested a small sample of 20 residents and compared the levels of several dioxins in their blood with samples from nonsmokers in a database maintained by the US Centers for Disease Control and Prevention. Brenda Goodman, CNN, 3 Feb. 2024 But the reasons for the increase in lung cancer cases among nonsmokers have yet to be pinpointed. Korin Miller, Health, 18 Dec. 2023 Swanton wondered what might underlie the correlation between air pollution and lung cancer among nonsmokers. Siddhartha Mukherjee, The New Yorker, 11 Dec. 2023 The doctor showed him a map of fine-particulate air pollution across the planet, and then a map charting the incidence of lung cancer in nonsmokers. Siddhartha Mukherjee, The New Yorker, 11 Dec. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nonsmoker.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1846, in the meaning defined above

Time Traveler
The first known use of nonsmoker was in 1846

Dictionary Entries Near nonsmoker

Cite this Entry

“Nonsmoker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonsmoker. Accessed 19 Apr. 2024.

Medical Definition

nonsmoker

noun
non·​smok·​er -ˈsmō-kər How to pronounce nonsmoker (audio)
: a person who does not smoke tobacco

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