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English word
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun cupful has 1 sense
- cupful(n = noun.quantity) cup - the quantity a cup will hold; "he drank a cup of coffee"; "he borrowed a cup of sugar" is a kind of containerful
OXFORD DICTIONARY
cupful, n. (pl. -fuls)
1 the amount held by a cup, esp. US a half-pint or 8-ounce measure in cookery.
2 a cup full of a substance (drank a cupful of water).
1 the amount held by a cup, esp. US a half-pint or 8-ounce measure in cookery.
2 a cup full of a substance (drank a cupful of water).
Usage
A cupful is a measure, and so three cupfuls is a quantity regarded in terms of a cup; three cups full denotes the actual cups, as in three cups full of water. Sense 2 is an intermediate use.