-mo
() A suffix added to the names of certain numerals or to the numerals themselves, to indicate the number of leaves made by folding a sheet of paper; as, sixteenmo or 16mo; eighteenmo or 18mo. It is taken from the Latin forms similarly used; as, duodecimo, sextodecimo, etc. A small circle, placed after the number and near its top, is often used for -mo; as, 16Á, 18Á, etc.
Similar Words:
-mo -morphous A-mornings All-a-mort Bed-molding Bed-moulding Bell-mouthed Bird's-mouth Black-mouthed Cup-moss