pp
pp · pps
Proton and protonProton and proton (used attributively to describe a collision or other interaction of these two particles)
Meaning
1 senses(uncountable)Proton and proton (used attributively to describe a collision or other interaction of these two particles)
Origin
Abbreviations.Abbreviations.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: ppsWord family
1 related wordsRelatedppbar
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable