chromatic sign
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chromatic sign — noun : accidental II * * * Music. accidental (def. 5) … Useful english dictionary
Chromatic Research — Inc. was a company based in Mountain View, California that developed a multifunction multimedia device for PCs called the MPACT! The company was formerly known as Xenon Microsystems Corporation. Chromatic Research, Inc. was founded in 1993. The… … Wikipedia
Chromatic polynomial — All nonisomorphic graphs on 3 vertices and their chromatic polynomials, clockwise from the top. The independent 3 set: k3. An edge and a single vertex: k2(k − 1). The 3 path: k(k − 1)2. The 3 clique … Wikipedia
Diatonic and chromatic — Chromatic redirects here. For other uses, see Chromatic (disambiguation). Melodies may be based on a diatonic scale and maintain its tonal characteristics but contain many accidentals up to all twelve tones of the chromatic scale, such as the… … Wikipedia
Natural sign — In musical notation, a natural sign (music|natural) is an accidental sign used to cancel a flat or sharp from either a preceding note or the key signature. If a bar contains a double sharp or double flat accidental and the composer wishes to… … Wikipedia
Optical aberration — v · d · e Optical aberration … Wikipedia
Tone cluster — Example of piano tone clusters. The clusters in the upper staff C♯ D♯ F♯ G♯ are four successive black keys … Wikipedia
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia
Nenano — Phthora Nenano (gr. φθορά νενανῶ, also νενανὼ) is the name of one of the two extra modes in the Byzantine Octoechos an eight mode system, which was created by a reform of the Monastery Agios Sabas, near Jerusalem, during the seventh century.… … Wikipedia
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
