a series in which the reciprocals of the terms form an arithmetic progression.
the divergent infinite series, 1 + 1/2 + 1/3 + 1/4 + 1/5 + . . . .
(maths) a series whose terms are in harmonic progression, as in 1 + 1/2 + 1/3 + …
(acoustics) the series of tones with frequencies strictly related to one another and to the fundamental tone, as obtained by touching lightly the node points of a string while playing it. Its most important application is in the playing of brass instruments
A series whose terms are in harmonic progression, especially the series 1 + 1/2 + 1/3 + 1/4 + …. and so on.
- Harmonic suture
harmonic suture n. See plane suture.
noun, Music. 1. a tone produced by suppressing the fundamental tone and bringing into prominence one of its overtones.
[hahr-dee] /ˈhɑr di/ adjective, hardier, hardiest. 1. capable of enduring fatigue, hardship, exposure, etc.; sturdy; strong: hardy explorers of northern Canada. 2. (of plants) able to withstand the cold of winter in the open air. 3. requiring great physical courage, vigor, or endurance: the hardiest sports. 4. bold or daring; courageous: hardy soldiers. 5. unduly […]
[hahrd-wur-king] /ˈhɑrdˈwɜr kɪŋ/ adjective 1. industrious; zealous: a hardworking family man. adjective 1. (of a person) industrious; diligent adj. also hardworking, 1774, from hard + working (see work).