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Definitions

a

[uh, ey] / ə, eɪ /
ARTICLE
not any particular or certain one of a class or group
Synonyms
STRONGEST
STRONG
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

By analyzing 2,811 people with ataxia, hereditary spastic paraplegia, and dystonia, scientists identified harmful variants in a gene called CD99L2 as the cause of X-linked spastic ataxia.

From Science Daily • Jun. 13, 2026

The molecule shared some characteristics with fentanyl but had a fundamentally different core structure.

From Science Daily • Jun. 13, 2026

"When we started testing this molecule as a vaccine component, we honestly didn't know if it would work," says Arran Stewart, a research associate in the Janda lab and first author of the study.

From Science Daily • Jun. 13, 2026

Astronomers say a recent challenge to one of the most important discoveries in modern cosmology has been resolved, with new research confirming that the universe is still expanding at an accelerating rate.

From Science Daily • Jun. 13, 2026

They are met by Lieutenant-Colonel Katsuya Tomishige, who tells them they are part of a Propaganda Corps.

From "At Last She Stood" by Erin Entrada Kelly




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