(sculpture) A form of sculpture in which carved figures or other objects protrude from the background.

(music) A genre of rock music that is normally published on independent labels, comprising of many different subgenres, mostly distinguished by the prevalence of thick and distorted guitar music.

(medicine) A pathological condition caused by oxygen deficiency at high altitudes; symptoms include shortness of breath, nausea, and nosebleed.

Energy derived from any source other than fossil fuels. / Energy derived from any renewable source, i.e other than fossil fuels or nuclear fission.

(US) Alternative spelling of alternative energy

(idiomatic, euphemistic) Naked.

a visual poem in the shape of an altar or a cross

plural of altar wine

plural of alternative lifestyle

(biology) The phenomenon of two organisms acting in ways that mutually benefit one another.