Noun
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the 9th letter of the Roman alphabet
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the smallest whole number or a numeral representing this number
"he has the one but will need a two and three to go with it"
"they had lunch at one"
- 1 -
a nonmetallic element belonging to the halogens
used especially in medicine and photography and in dyes
occurs naturally only in combination in small quantities (as in sea water or rocks)
- atomic number 53
Adjective
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used of a single unit or thing
not two or more
"`ane' is Scottish"
- 1