Antimatter
composed only of antiparticles, especially antiprotons, antineutrons, and positrons.
Contemporary Examples
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 20, 2014
Historical Examples
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
noun
a form of matter composed of antiparticles, such as antihydrogen, consisting of antiprotons and positrons
n.
also anti-matter, 1953, from anti- + matter (n.).
antimatter
(ān’tĭ-māt’ər)
A form of matter that consists of antiparticles.
In physics, matter made of antiparticles.
Read Also:
- Mechanism
an assembly of moving parts performing a complete functional motion, often being part of a large machine; linkage. the agency or means by which an effect is produced or a purpose is accomplished. machinery or mechanical appliances in general. the structure or arrangement of parts of a machine or similar device, or of anything analogous. […]
- Mechanist
a person who believes in the theory of . a mechanician. Historical Examples John Rennie died; a celebrated Scottish civil engineer and mechanist. The Every Day Book of History and Chronology Joel Munsell These truths are as plain to the mechanist as they are to the vitalist. Theism or Atheism Chapman Cohen To employ the […]
- Mechanistic
of or relating to the theory of or to . of or relating to mechanics. . Historical Examples Aristotle expressly states that a sufficient development of mechanistic technology would abrogate slavery. The Transformation of Early Christianity from an Eschatological to a Socialized Movement Lyford Paterson Edwards This explains, in some measure, the mechanistic tendencies of […]
- Mechanize
to make . to operate or perform by or as if by machinery. to introduce machinery into (an industry, enterprise, etc.), especially in order to replace manual labor. Military. to equip with tanks and other armored vehicles. Historical Examples They tried to mechanize and rationalize God, but God rebelled against them. Tragic Sense Of Life […]
- Mediaeval
. of, pertaining to, characteristic of, or in the style of the Middle Ages: medieval architecture. Compare . Informal. extremely old-fashioned; primitive. Historical Examples Notice the anachronism of the transfer of the mediaeval sport to legendary Greece. Palamon and Arcite John Dryden Such a belief was indeed the bedrock of mediaeval political thought. Progress and […]