stoma

noun
sto·​ma | \ ˈstō-mə How to pronounce stoma (audio) \
plural stomata\ ˈstō-​mə-​tə How to pronounce stoma (audio) \ also stomas

Definition of stoma

1 : any of various small simple bodily openings especially in a lower animal
2 : one of the minute openings in the epidermis of a plant organ (such as a leaf) through which gaseous interchange takes place also : the opening with its associated cellular structures
3 : an artificial permanent opening especially in the abdominal wall made in surgical procedures

Examples of stoma in a Sentence

Recent Examples on the Web Brayden's colon removal left him with a stoma, or an opening in the abdomen that allows waste or urine to leave the body. NBC News, 13 Jan. 2022 Surgeons create an opening called a stoma in the abdomen, and an external pouch does the waste collection. Rebecca Joy Stanborough, SELF, 7 Jan. 2022 During the ostomy surgery, doctors created an opening, referred to as a stoma, on the right side of her abdomen. Colleen Murphy, Health.com, 29 Nov. 2021 The stoma was covered by a containment device for the urine, known as a pouch. Colleen Murphy, Health.com, 29 Nov. 2021 One of her patients was sent home with an open stomach wound, another with a stoma bag. NBC News, 30 May 2020 As Swann notes, the gas exchange from each stoma — and indeed from each leaf — is, on its own, tiny. Quanta Magazine, 9 Oct. 2018 In layman’s terms, stomata are tiny openings on leaves’ surfaces that let in CO2 but expel oxygen and water. Meilan Solly, Smithsonian, 6 Aug. 2019 Other stomas can be located on the abdomen for waste removal. Stephanie Innes, azcentral, 17 June 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stoma.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of stoma

circa 1684, in the meaning defined at sense 1

History and Etymology for stoma

New Latin, from Greek stomat-, stoma mouth

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Time Traveler for stoma

Time Traveler

The first known use of stoma was circa 1684

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Dictionary Entries Near stoma

stom-

stoma

stomach

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Cite this Entry

“Stoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stoma. Accessed 17 May. 2022.

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More Definitions for stoma

stoma

noun
sto·​ma | \ ˈstō-mə How to pronounce stoma (audio) \
plural stomas

Medical Definition of stoma

1 : any of various small simple bodily openings especially in a lower animal
2 : an artificial permanent opening especially in the abdominal wall made in surgical procedures a colostomy stoma

More from Merriam-Webster on stoma

Britannica.com: Encyclopedia article about stoma

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