antimatter

[ an-tee-mat-er, an-tahy- ]

/ ˈæn tiˌmæt ər, ˈæn taɪ- /

noun Physics.

matter composed only of antiparticles, especially antiprotons, antineutrons, and positrons.

Origin of antimatter

First recorded in 1950–55; anti- + matter

Words nearby antimatter

antimalarial, antimanic, Anti-Mason, Anti-Masonic party, antimasque, antimatter, antimension, antimere, antimeridian, antimetabolite, antimicrobial

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for antimatter

The antimatter particle’s electric charge is the opposite of its matter kin.
The exotic ‘atom’ positronium surprises scientists|Emily Conover|September 23, 2020|Science News For Students
Instead, dark matter is its own antimatter, so any pair of particles that meet will destroy each other.
Still No Dark Matter from Space Station Experiment|Matthew R. Francis|September 21, 2014|DAILY BEAST
On the average, one atom out of every ten million in the universe was an atom of antimatter.
Psichopath|Gordon Randall Garrett
The distribution was unequal of course; antimatter could not exist in contact with ordinary matter.
Psichopath|Gordon Randall Garrett

British Dictionary definitions for antimatter

antimatter

/ (ˈæntɪˌmætə) /

noun

a form of matter composed of antiparticles, such as antihydrogen, consisting of antiprotons and positrons

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

Cultural definitions for antimatter

antimatter

In physics, matter made of antiparticles.

Scientific definitions for antimatter

antimatter

[ ăn′tĭ-măt′ər ]

A form of matter that consists of antiparticles.

单词	antimatter
释义	antimatter [ an-tee-mat-er, an-tahy- ] / ˈæn tiˌmæt ər, ˈæn taɪ- / noun Physics. matter composed only of antiparticles, especially antiprotons, antineutrons, and positrons. Origin of antimatter First recorded in 1950–55; anti- + matter Words nearby antimatter antimalarial, antimanic, Anti-Mason, Anti-Masonic party, antimasque, antimatter, antimension, antimere, antimeridian, antimetabolite, antimicrobial Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for antimatter The antimatter particle’s electric charge is the opposite of its matter kin. The exotic ‘atom’ positronium surprises scientists\|Emily Conover\|September 23, 2020\|Science News For Students Instead, dark matter is its own antimatter, so any pair of particles that meet will destroy each other. Still No Dark Matter from Space Station Experiment\|Matthew R. Francis\|September 21, 2014\|DAILY BEAST On the average, one atom out of every ten million in the universe was an atom of antimatter. Psichopath\|Gordon Randall Garrett The distribution was unequal of course; antimatter could not exist in contact with ordinary matter. Psichopath\|Gordon Randall Garrett British Dictionary definitions for antimatter antimatter / (ˈæntɪˌmætə) / noun a form of matter composed of antiparticles, such as antihydrogen, consisting of antiprotons and positrons 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 Cultural definitions for antimatter antimatter In physics, matter made of antiparticles. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for antimatter antimatter [ ăn′tĭ-măt′ər ] A form of matter that consists of antiparticles. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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