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Meaning of toponium | Babel Free

Noun CEFR B2

Definitions

Any hypothetical meson formed from a top quark and its antiquark; would be very unstable because of the large mass of the top quark

particle

Equivalents

Français toponium

Русский топо́ний

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

toponomastics toponome toponomics toponomy toponym toponymics