411 REFERENCE · Wiktionary
2d
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
2D 2-D 2ᵈ
English
2D
Adjective
en adjective ordinal numbers
en two-dimensional; 2D.
en 2nd.
Noun
en noun
en Britain Ireland etc. historical en two pence, tuppence (in pre-decimalisation currency, never used for 'two new pence').