the dating of samples of minerals by comparing the tracks in them by fission fragments of the uranium nuclei they contain, before and after irradiation by neutrons
[fis-uh-pal-meyt] /ˌfɪs əˈpæl meɪt/ adjective, Anatomy. 1. (of birds) having the toes lobed or partially webbed. /ˌfɪsɪˈpælmeɪt/ adjective 1. (of some birds’ feet) partially webbed, having lobes and fringes on separate toes
fissiparity fis·si·par·i·ty (fĭs’ə-pār’ĭ-tē) n. See schizogenesis.
[fi-sip-er-uh s] /fɪˈsɪp ər əs/ adjective 1. reproducing by fission. /fɪˈsɪpərəs/ adjective 1. (biology) reproducing by fission 2. having a tendency to divide into groups or factions fissiparous fis·sip·a·rous (fĭ-sĭp’ər-əs) adj. Reproducing or propagating by fission.
[fis-uh-ped] /ˈfɪs əˌpɛd/ noun 1. any member of the suborder Fissipedia, carnivorous mammals that have separate toes, as bears, badgers, dogs, cats, and raccoons. adjective 2. of or relating to the Fissipedia. 3. cleft-footed or cloven-hoofed. /ˈfɪsɪˌpɛd/ adjective 1. having toes that are separated from one another, as dogs, cats, bears, and similar carnivores noun […]