num
twenty
TWEHN-tee
num
1
The number after nineteen and before twenty-one; 20.
"She turned twenty last week."
"They ordered twenty chairs for the event."
noun
1
A banknote worth 20 units of currency.
"He paid for the meal with a crisp twenty."
How to Use Twenty
Learner’s notesIn plain EnglishThe number 20, or informally a twenty-dollar (or -pound) bill.
Common pairings
a twenty-dollar bill
twenty years old
twenty minutes
Word Forms
twenties plural
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Etymology
From Old English twēntiġ, literally "two tens," an old Germanic compound built the same way as thirty and forty.