plural of popular beat combo

plural of poppet valve

plural of population mean

plural of poppy seed test

plural of poppy seed

(politics) A broad coalition of different political groupings, usually made up of leftists and centrists.

plural of popular front

One who studies population biology.

plural of population biologist

(biology, ecology) The study of populations of organisms, especially the growth and regulation of population sizes and genetics, and the effects of interactions between species.