Word Lab
size · dimensions
Usage — not pronunciation
intermediateGeneralSpanishArabicMandarin
The rule
Size describes the general, overall bigness or smallness of something — usually one word or a simple description (small, large, medium). Dimensions describes specific measurements — length, width, height, depth — usually given as numbers with units.
Correct
✓ “What is the size of this box?”
✓ “The size of the room is small.”
✓ “The dimensions of the room are 4m x 5m.”
Common mistake
✗ “What are the size of this box?”
✗ “The dimensions of the room is small.”
How teachers explain this
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