SEGMENTATION Scrabble 15 Words With Friends 19 Definition noun (embryology) the repeated division of a fertilised ovum. — synonyms: cleavage noun the act of dividing or partitioning. — synonyms: division, partition, partitioning, sectionalization, sectionalisation See all 974 words you can make from SEGMENTATION → 12-letter words Words starting with S Words ending with N ← Unscramble different letters