ATOM Synonyms: 98 Similar and Opposite Words

atom

noun

ˈa-təm

Definition of atom

as in particle

a very small piece give me just one atom of information about the novel's surprise ending

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of atom In 1967, the General Conference on Weights and Measures – an intergovernmental organization that sets measurement standards and has over 100 member nations today – adopted a new definition based on the cesium-133 atom. — Vahe Peroomian, The Conversation, 8 Oct. 2026 This material is where all the atoms in a gas occupy the exact same quantum state, producing weird quantum effects at unusually macroscopic scales. — Joseph Howlett, Scientific American, 8 Oct. 2026 The laser ranging instruments must be sensitive enough to detect a change in distance smaller than the size of an atom to confirm a gravitational wave detection. — Stephen Clark, ArsTechnica, 7 Oct. 2026 At least Mark Zuckerberg had the decency to be duplicitous, Altman is just openly consumed by the mania of trying to win the most important technological arms race since the atom bomb. — David Ehrlich, IndieWire, 6 Oct. 2026 See All Example Sentences for atom

Recent Examples of Synonyms for atom

Noun

Highly energetic particles in the solar wind may also have reached the comet in sufficient numbers to heat its surface.

— Joe Rao, Space.com, 13 Oct. 2026
Avoid this by not touching the rash and keeping it covered, as the fluid inside the shingles blisters is what contains the infectious particles.

— Maggie Ryan, Flow Space, 13 Oct. 2026

Definition of particle

Noun

The source was generally in good condition, but mold spots and dense clusters of small white specks required careful treatment.

— Lin Ying-Hsuan, Variety, 13 Oct. 2026
Breakouts can look like milder, painless white bumps or dark specks known as whiteheads and blackheads, or more painful red bumps and deeper cysts — a mark of cystic acne.

— Adithi Ramakrishnan, Los Angeles Times, 13 Oct. 2026

Definition of speck

Noun

The scientists altered those molecules, however, replacing flexible carbon chains with more rigid structures called benzene rings.

— Maryna Holovnova, New Atlas, 12 Oct. 2026
Because the plant itself doesn’t yield an essential oil, the fragrance is conjured by perfumers using an array of synthetic molecules.

— April Long, Allure, 12 Oct. 2026

Definition of molecule

Noun

As few as 10 cells, hidden in an infinitesimal fleck of feces, can contaminate raw milk and trigger a fatal infection.

— CNN Money, CNN Money, 1 Oct. 2026
The oversized jacket featured a furry white base adorned with flecks of silver, which beautifully mirrored the sumptuous coats on the runway.

— Chanel Vargas, InStyle, 25 Sep. 2026

Definition of fleck

Noun

Tomalak did a little bit of everything, fueling the offense as her team’s multidimensional quarterback and patrolling the secondary as a ball-hawking safety.

— Steve Reaven, Chicago Tribune, 18 Oct. 2026
Cutie from Saie is one of my favorites for a little bit of a deeper antiblush.

— Lindy Segal, Glamour, 18 Oct. 2026

Definition of bit

Noun

Throughout the war, Russia has repeatedly bombarded Ukraine’s Black Sea and Danube river ports, leaving Kyiv increasingly reliant on alternative routes to get its grain exports to markets in Africa and the Middle East.

— ABC News, ABC News, 16 Oct. 2026
For Japanese-style short-grain white rice, a rough stovetop starting point is 1 1/4 to 1 1/2 cups of water per cup of rice.

— Deirdre Bardolf, FOXNews.com, 16 Oct. 2026

Definition of grain

Noun

People with plaque psoriasis fight a constant battle with painful, flaky patches that can appear on some of the most visible parts of the skin.

— Alice Park, Time, 15 Oct. 2026
By noon the sky seemed lighter, but a fresh wind kept patches of dust swirling in the street.

— Gerald R. Hunter, Outdoor Life, 15 Oct. 2026

Definition of patch

Noun

In the commercial, the snippets of Salazar show her 1990s sit down with the late Communist leader.

— Sofia Saric, Miami Herald, 18 Oct. 2026
At the 39-minute mark of the episode, fans can hear a snippet of one of Once Upon a Time‘s tracks featuring a smooth verse from Meth.

— Michael Saponara, Billboard, 16 Oct. 2026

Definition of snippet

Browse Nearby Words

atolls

atom

atomic

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“Atom.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/atom. Accessed 19 Oct. 2026.

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Synonyms of atom

noun

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