leptonium
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
13
Scrabble Score
9
Letters
4
Syllables
9
Unique Chars
Meaning
noun
A bound pair of a lepton and its antiparticle
Example Sentences
- "The LHC constraints on exotic stable massive charged particles seem to further shrink the allowed range for the hypercharge down to Y#95;#123;#92;ell#125;#92;approx 8-8.9, with the caveat that the relation between the leptonium mass and the mass of the constituent leptons in our calculations is plagued with a large theoretical uncertainty for large Y#95;#123;#92;ell#125;."