/dip"lont/ , n. Biol.
1. the diploid individual in a life cycle that has a diploid and a haploid phase.
2. an organism having two sets of chromosomes in its somatic cells and a single, haploid set of chromosomes in its gametes.
[ 1920-25; DIPL(O)- + -ont ont-, s. of ón being, prp. of eînai to be (cf. ONTO-) ]