DUODECIMAL Scrabble 16 Words With Friends 20 Definition adjective based on twelve. noun one part in twelve equal parts. — synonyms: one-twelfth, twelfth, twelfth_part Examples “6B4 is the duodecimal notation for the decimal number 1000.” See all 363 words you can make from DUODECIMAL → 10-letter words Words starting with D Words ending with L ← Unscramble different letters