1
: a state of profound unconsciousness caused by disease, injury, or poison
2
: a state of mental or physical sluggishness : torpor
plural comae
ˈkō-ˌmē 
-ˌmī
1
: a tufted bunch (as of branches, bracts, or seed hairs)
2
: the head of a comet consisting of a cloud of gas and dust and usually containing a nucleus
3
: an optical aberration in which the image of a point source is a comet-shaped blur
Examples of coma in a Sentence
Recent Examples on the Web
Jamie Carter, Forbes, 2 Nov. 2024
Serious side effects of low blood sugar include seizures, coma, irregular heart rates, heart attack, and death.9
Low blood sugar is an emergent situation and can often be treated by drinking or eating foods to raise your blood sugar.
—Kirstyn Hill, Pharmd, Mph, Health, 29 Oct. 2024
The little one’s middle name, Samantha, is a nod to Elliot's late mother, Samantha Berg, who entered a coma after suffering complications during childbirth.
—Emma Aerin Becker, People.com, 3 Oct. 2024
Its coma is about 130,000 miles (209,000 kilometers) in diameter and its tail extends around 18 million miles (29 million kilometers) into space.
—Jamie Carter, Forbes, 28 Oct. 2024
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Noun
Its coma is about 130,000 miles (209,000 kilometers) in diameter, and its tail extends around 18 million miles (29 million kilometers) into space.
—Jamie Carter, Forbes, 2 Nov. 2024
Serious side effects of low blood sugar include seizures, coma, irregular heart rates, heart attack, and death.9
Low blood sugar is an emergent situation and can often be treated by drinking or eating foods to raise your blood sugar.
—Kirstyn Hill, Pharmd, Mph, Health, 29 Oct. 2024
The little one’s middle name, Samantha, is a nod to Elliot's late mother, Samantha Berg, who entered a coma after suffering complications during childbirth.
—Emma Aerin Becker, People.com, 3 Oct. 2024
Its coma is about 130,000 miles (209,000 kilometers) in diameter and its tail extends around 18 million miles (29 million kilometers) into space.
—Jamie Carter, Forbes, 28 Oct. 2024
See all Example Sentences for coma
Dictionary Entries Near coma
Cite this Entry
“Coma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coma. Accessed 22 Nov. 2024.
Copy CitationKids Definition
coma
1 of 2 noun
co·ma
ˈkō-mə
: a sleeplike state of unconsciousness caused by disease, injury, or poison
coma
2 of 2 noun
plural comae
-ˌmē
-ˌmī
: the head of a comet made up of a cloud of gas and dust and usually containing a nucleus
Etymology
Noun
scientific Latin, from Greek kōma "deep sleep"
Noun
from Latin coma "hair," from Greek komē "hair" — related to comet
Medical Definition
coma
noun
co·ma
ˈkō-mə
: a state of profound unconsciousness caused by disease, injury, or poison
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