(astronomy) Any astronomical object of known absolute magnitude. Its distance can then be calculated from its apparent magnitude.

The situation where an event is so well attended, or public transportation so full, that all of the seats in the venue are occupied, leaving only the ground or the floor for other people.

A phrase traditionally used by a highwayman commanding victims to hand over their valuables.

Time as measured by synchronizing clocks in different geographical locations within a time zone to the same time, rather than using the local meridian, as in local mean time or solar time.

plural of standard candle

An agreed method of measuring time; a specification or standard of either the rate at which time passes, or of points in time, or of both.

Alternative form of stand-up

A vertical pipe into which water is pumped so that a desired pressure is available at the bottom.

A stand made for holding pages or books of sheet music. / A raised platform for a musical band; bandstand.

Having existed for a long time. / Having been done for long enough time to become convention.