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Webster 1913 Edition


Meson


Mes′on

,
Noun.
[NL., fr. Gr.
μέσον
middle, neut. of
μέσος
, a., middle.]
1.
(Anat.)
The mesial plane dividing the body of an animal into similar right and left halves. The line in which it meets the dorsal surface has been called the
dorsimeson
, and the corresponding ventral edge the
ventrimeson
.
B. G. Wilder.

Definition 2024


meson

meson

See also: mesón and méson

English

Pronunciation

  • IPA(key): /ˈmɛsɒn/

Noun

meson (plural mesons)

  1. (rare outside entomology) The mesial plane dividing the body into similar right and left halves.

Etymology 2

From meso- + on.

Pronunciation

  • IPA(key): /ˈmiːzɒn/, /ˈmiːsɒn/

Noun

meson (plural mesons)

  1. (obsolete) A member of a group of subatomic particles having a mass intermediate between electrons and protons. (The most easily detected mesons fit this definition.)
  2. (now specifically, physics) An elementary particle that is composed of a quark and an antiquark, such as a kaon or pion. (Mesons composed of rarer quarks are much heavier.)
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Dutch

Pronunciation

Noun

meson n (plural mesonen)

  1. (physics) meson

Esperanto

Noun

meson

  1. accusative singular of meso

Old French

Alternative forms

Etymology

From Latin mansiō, mansiōnem ("abode, home, dwelling").

Noun

meson f (oblique plural mesons, nominative singular meson, nominative plural mesons)

  1. house

Descendants