Etymology : from the position at which the phosphate group is attached
Function : noun
Date : 1938
1. 1 used of a single unit or thing; not two or more; "`ane' is scottish" [syn: one, i, ane] 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" [syn: one, i, ace, single, unity].
2. fathom. magnum. pennyweight. rood. scruple.