pol·y·gen·e·sis 
(pŏl′ē-jĕnĭ-sĭs)
(pŏl′ē-jĕnĭ-sĭs)n.
Development from more than one source.
pol′y·ge·netic (pŏl′ē-jə-nĕtĭk), po·lyge·nous (pə-lĭjə-nəs) adj.
- laugh out of the other side of mouth
- laugh out of the other side of (one's) mouth
- laugh out of the other side of one's mouth
- laughter
- laugh track
- laugh up/in (one's) sleeve
- laugh up one's sleeve
- laugh up sleeve
- launce
- launch
- launch
- launcher
- launching pad
- launch pad
- launch vehicle
- launder
- launderer
- launderette
- laundress
- laundromat
- laundry
- laundry list
- Laura
- Laura
- Laura Ingalls