pp
Proposed by a contributor, not yet supported by evidence.
Also seen as: pps
Meaning · English
proton and proton (used attributively to describe a collision or other interaction of these two particles)
Nghĩa · Tiếng Việt
proton và proton (dùng để mô tả va chạm hoặc tương tác khác của hai hạt này)
Machine-translated — suggest a fix
Noun
Examples
Comparisons with ppbar and pp data reveal improvement in the description of single diffractive events.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “pp” mean?
proton and proton (used attributively to describe a collision or other interaction of these two particles)
Is “pp” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.