(attributive) A type of hydroelectric generation plant with little or no water storage, which is therefore subject to seasonal river flows.

plural of running track

(athletics) a track marked with several lanes, which is used for competitive running events. / (rail transport) A line on which trains can run, as opposed to a siding.

The duration of a film or other recorded work.

(Singapore, colloquial) Exceptionally good

(of a ship) To continue without being steered (usually having been abandoned). / (figuratively, by extension) To be aimless or pointless; to make no progress.

present participle of run on fumes

A form of Chinese calligraphy in which round brush-strokes predominate and there are no sharp strokes or ticks

present participle of run late

(idiomatic, chiefly used in the present participle) To be late; to fail to be on time.