(US, slang) Synonym of take a powder (“depart in a hurry”)

An experience of something in advance. / (colloquial) An advance showing of a film, exhibition etc. / Something seen in advance.

(geology) A form of shale used in south-west England for road construction

A very thin film of soapy water that forms a sphere with an iridescent surface. / (figuratively) Anything attractive but unsubstantial.