Tt
Proposed by a contributor, not yet supported by evidence.
Also seen as: Tts
Meaning · English
a book size range corresponding to one thirty-second of the size of an uncut sheet of paper, 10-12.5 cm in height.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “Tt” mean?
a book size range corresponding to one thirty-second of the size of an uncut sheet of paper, 10-12.5 cm in height.
Is “Tt” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.