a kind of snail, Cepaea hortensis, very similar to the grove snail, but with a white band at the lip of the shell.

(geomorphology) A geomorphologic unconformity marking a boundary between an upland region and a plane; sometimes marked by a series of waterfalls on rivers that cross it.

Alternative spelling of online

Alternative spelling of online

(chiefly US) Opposed to the practice or legalization of abortion. / (specifically) Opposed to the legalization of euthanasia. / (specifically) Opposed to the legalization of capital punishment.

Alteration of the vocal cords by surgery, intended to give the recipient a more youthful-sounding voice.

(biology) The course of stages through which an organism passes from fertilized zygote until maturity, reproduction, and death.

plural of fact of life / (euphemistic) knowledge of sexual reproduction (almost always used with the)

Something that cannot be avoided.

(physics) light in which the electric and magnetic fields each vibrate in a single plane