as in microscopically
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Recent Examples of infinitesimally
Each loop is then placed in an infinitesimally tiny well in a microchip, which can have 25 million of those wells.
—
IEEE Spectrum, 2 Oct. 2025
These ultra-sensitive sensors can detect infinitesimally small traces of magnetic and gravitational signals from within the earth.
—Paul Smith-Goodson, Forbes.com, 18 Sep. 2025
IEEE Spectrum, 2 Oct. 2025
These ultra-sensitive sensors can detect infinitesimally small traces of magnetic and gravitational signals from within the earth.
—Paul Smith-Goodson, Forbes.com, 18 Sep. 2025
Recent Examples of Synonyms for infinitesimally
Adverb
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When looked at microscopically, there were patterns that suggested the possibility of life on Mars at one time.—
Richard Tribou,
The Orlando Sentinel,
30 Jan. 2026
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Corintis The simulation and optimization software developed by Corintis is used to design a network of microscopically small channels on cold plates.—
IEEE Spectrum,
IEEE Spectrum,
17 Nov. 2025
Adverb
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Sunbeams through the windows illuminate floating dust motes—and, imperceptibly, microdroplets of mucus carrying the measles virus, expelled from an infected but asymptomatic child who is hopping and laughing among the others.—
Elizabeth Bruenig,
The Atlantic,
12 Feb. 2026
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In Dmitry Kireev’s lab at the University of Massachusetts Amherst, researchers are developing imperceptibly thin graphene tattoos capable of monitoring your vital signs and more.—
Perri Thaler,
IEEE Spectrum,
21 Dec. 2025
Adverb
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Williams knows how to humanize this bare-bones vocabulary, minutely adjusting the voicing of a chord or caressing the last of a set of recurring motifs with a regretful ritardando.—
Alex Ross,
New Yorker,
26 Jan. 2026
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When the mask slipped or seemed to slip in the breakup video, however minutely, their counterparts — gay shitposters — pissed through the gap.—
Paul McAdory,
Them.,
9 Dec. 2025
Adverb
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The moon — appearing fractionally smaller than usual — was unable to cover the entirety of the sun's disk, leaving a thin sliver of its outer edge visible to surround Earth's natural satellite to create a ring in the skies over Antarctica.—
Anthony Wood,
Space.com,
17 Feb. 2026
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Indeed, data center infrastructure provider Vertiv Holdings shares closed fractionally higher after having fallen more than 7%.—
Steve Kopack,
NBC news,
6 Jan. 2026
Cite this Entry
“Infinitesimally.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infinitesimally. Accessed 25 Feb. 2026.
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