intensity

noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about intensity at Wordnik → Where our words come from →

1. The amount of energy transmitted (as by acoustic or electromagnetic radiation).

   he adjusted the intensity of the sound

2. High level or degree; the property of being intense.
3. The magnitude of sound (usually in a specified direction).

   the kids played their music at full volume