Alternative form of ptui (“sound of spitting”)

plural of Ferree

A clawed frog found in southern Africa, Xenopus laevis, that has some properties very useful for genetics.

A mixture of fine solid particles or liquid droplets suspended in a gaseous medium. / An aerosol can. / The payload (e.g. insecticide, paint, oil, cosmetics) and propellant contained by an aerosol ...