by eye
idiom
: by looking at something to get a rough idea of its size
I measured the distance by eye.
Examples of by eye in a Sentence
Recent Examples on the Web
The new species was identified by eye size, body proportions, lack of pigmentation, fin shape and other subtle physical features, the study said.
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Aspen Pflughoeft, Miami Herald, 6 Aug. 2025
These contact lenses are widely available and commonly prescribed by eye care professionals worldwide.
—Sanket Jain, Smithsonian Magazine, 16 May 2025
Answers Nurse had a high event series with some loose coverage that is reflected by eye and math.
—Allan Mitchell, New York Times, 3 May 2025
And then there’s the question of the chemical composition of the three different types of tears: the basal tears that lubricate the eye, the tears caused by eye irritation, and the heartfelt tears that spring from emotions.
—IEEE Spectrum, 25 July 2017
See All Example Sentences for by eye
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Aspen Pflughoeft, Miami Herald, 6 Aug. 2025
These contact lenses are widely available and commonly prescribed by eye care professionals worldwide.
—Sanket Jain, Smithsonian Magazine, 16 May 2025
Answers Nurse had a high event series with some loose coverage that is reflected by eye and math.
—Allan Mitchell, New York Times, 3 May 2025
And then there’s the question of the chemical composition of the three different types of tears: the basal tears that lubricate the eye, the tears caused by eye irritation, and the heartfelt tears that spring from emotions.
—IEEE Spectrum, 25 July 2017
See All Example Sentences for by eye
Cite this Entry
“By eye.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by%20eye. Accessed 21 Aug. 2025.
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