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.
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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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Rather, it is picked up microscopically—usually from a urine sample taken for another purpose at a healthcare provider's office.—
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By microscopically studying Bennu, researchers have also been able to find that the asteroid's geology has changed over the years due to interactions with water and ice.—
Adverb
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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.—
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Also, imperceptibly at first, aerobic capacity begins to lessen, flexibility decreases, ligaments stiffen.—
Adverb
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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.—
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In other hands, this would cue a standard disease-of-the-week weepie, but Coixet keeps the tone lightly wistful and wise, and trains her attention ever more minutely on Rohrwacher, who along with her character, seems to blossom gradually under this steady gaze.—
Adverb
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Those who have a college degree face a fractionally lower unemployment rate at the time of writing (a little over 6%) than peers with a high school diploma or some level of college training.—
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The Nasdaq Composite rose fractionally, while the S&P fell slightly.—
Cite this Entry
“Infinitesimally.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infinitesimally. Accessed 13 Jan. 2026.
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