1. Adjective
Being three times ten; consisting of one more than twenty-nine; twenty and ten; as, the month of June consists of thirty days.
2. Noun
The sum of three tens, or twenty and ten; thirty units or objects.
3. Noun
A symbol expressing thirty, as 30, or XXX.
4. Noun
the cardinal number that is the product of ten and three
Vocabulary classified under Mathematics
More about this word
Synonyms and related words
Explore this word