1A standard European size of paper, 210 × 297 mm: [as modifier]: an A4 page
More example sentences
- The questionnaire, on one side of A4 paper, asks people to express their opinions on what matters to them about the village.
- Posters are to be A4 in size with the name clearly written on the front and the address on the back.
Definition of A4 in:
- The British & World English dictionary