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Showing results for aspherical surface. Search instead for asphalt surfaces.

aspherical surface

British  

noun

  1. photog a lens or mirror surface that does not form part of a sphere and is used to reduce aberrations

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Buildings are more likely to be low and broad, and they feature concrete and asphalt surfaces.

From Seattle Times • Aug. 5, 2023

Most of those that do exist in the U.S. are outdoors with concrete or asphalt surfaces, making them unusable in the rain or the winter.

From Seattle Times • Jul. 30, 2021

“What they didn’t figure on was all the concrete and asphalt surfaces from all the new developments uphill,” Hommerbocker told the Baltimore Sun.

From Washington Post • May 28, 2018

Paved runways have concrete or asphalt surfaces; unpaved runways have grass, dirt, sand, or gravel surfaces.

From The 1995 CIA World Factbook by United States. Central Intelligence Agency

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