(astronomy) A nine-level numeric scale that measures the night sky's brightness of a particular location.

(music) The set of five distinct overtones that can be played on a simple bugle, without the use of valves or other pitch-altering devices.

present participle of scale out

present participle of scale up

simple past tense and past participle of scale down

present participle of scale down

simple past tense and past participle of scale out

simple past tense and past participle of scale up

Increased in size or capacity

(mythology) A series of twenty-two tropes common among fictional protagonists.