Which definition of I do you mean?

  • I n the 9th letter of the Roman alphabet
  • Iodine n 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)
  • One n the smallest whole number or a numeral representing this number
  • One s used of a single unit or thing; not two or more