Definition: the 9th letter of the Roman alphabet
Similar words: alphabetic character, letter, letter of the alphabet
Definition: the conventional characters of the alphabet used to represent speech
Usage: his grandmother taught him his letters
Synonyms: one, single, I, unity, 1, ace
Definition: the smallest whole number or a numeral representing this number
Usage: he has the one but will need a two and three to go with it; they had lunch at one
Definition: one of the elements that collectively form a system of numeration
Usage: 0 and 1 are digits
Synonyms: atomic number 53, I, iodin, iodine
Definition: 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)
Similar words: element, chemical element
Definition: any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
Similar words: halogen
Definition: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
Definition: used of a single unit or thing; not two or more
Usage: `ane' is Scottish
Similar words: cardinal
Definition: being or denoting a numerical quantity but not order
Usage: cardinal numbers