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mass in

British  

verb

  1. (adverb) to fill or block in (the areas of unified colour, shade, etc) in a painting or drawing

"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.

Ebola vaccines would not be used en mass in the same way as during the Covid pandemic.

From BBC • May 22, 2026

Many other weight-loss drugs target body mass in general, which can lead to a reduction in muscle and lean tissue in addition to fat, the executive said.

From The Wall Street Journal • Apr. 28, 2026

"Fragile is the flesh of defenseless populations, tried by so many wars, ongoing or concluded, leaving behind rubble and open wounds," the pope said at the mass in St Peter's Basilica.

From Barron's • Dec. 25, 2025

So a healthy glacier gains as much mass in the upper areas as it loses in the lower areas.

From Slate • Dec. 19, 2025

Zwicky also was the first to recognize that there wasn’t nearly enough visible mass in the universe to hold galaxies together and that there must be some other gravitational influence–what we now call dark matter.

From "A Short History of Nearly Everything" by Bill Bryson

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