(music) A device, containing an inverted pendulum, used to mark time by means of regular ticks at adjustable intervals; an electronic equivalent that emits flashes.

plural of metronome

An area of population usually with a central or core city and surrounding towns or suburbs.

Of or pertaining to metrology

plural of MetroCard

metre (US: meter), poetic measure / (by extension) sphere of influence / (physics) A two-dimensional quantum of multidimensional space, a unit of measure in Heim theory.

One who studies or practices metrology.

a network that covers a large geographical area such as a city.

plural of metromania

plural of metrologist