Allegro (Italian) – Play it in a lively, brisk, and upbeat way.Listen to Mozart’s “Turkish March”. On the other hand, buildings with poor acoustics do not allow the sound to travel very well from one side of the space to another. adj. An octave is defined both in terms of music and in terms of physics: In terms of music, an octave is the distance between one note (like C#) and the next note bearing its same name (the next C# that’s either higher or lower). An octane rating of 100 indicates minimal to no knocking (iso-octane), whereas an octane rating of 0 implies that the fuel has a very high knocking tendency (heptane). Most fuels have an octane rating in the range of 100 to 0. High-octane definition is - having a high octane number and hence good antiknock properties. An octave is a musical interval. Accelerando (Italian) – To gain speed gradually.. high-octane synonyms, high-octane pronunciation, high-octane translation, English dictionary definition of high-octane. Aug 22, 2014 - Explore Steven Lowe's board "Octane" on Pinterest. Affordable, comfortable & plush with unique and innovative features. Massive selection. ‘The high-octane production recreates the energy, style and music of the stars of the Motown stable.’ ‘However, there was to be no blaze of glory and rather than producing a high-octane performance, Sligo stuttered to a halt when succumbing to a more mobile and industrious Donegal team.’ ‘The high-octane production recreates the energy, style and music of the stars of the Motown stable.’ ‘However, there was to be no blaze of glory and rather than producing a high-octane performance, Sligo stuttered to a halt when succumbing to a more mobile and industrious Donegal team.’ See more. Octave in music is an interval between one musical pitch and another with half or double its frequency. A theater or other building with good acoustics allows sound to travel naturally for long distances, enabling people to hear music, a play, or something else even if they are sitting far away from the stage. 1. How to use high-octane in a sentence. Accent – Emphasis or stress placed on specific notes or set of notes. Define high-octane. Having a high octane number and thus reducing knock and increasing efficiency in high-performance engines: high-octane gas. This definition brings us to another assumption: octaves can go up and down. Shop Octane … See more ideas about octane, music is life, band wallpapers. Adagio (Italian) – Play music in slow, stately tempo.A common example is “Adagio for Strings” by Samuel Barber. Octane number definition, (of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics. Octane Seating is the #1 brand for all your home theater and commercial cinema seating needs. 2. The octane rating of a fuel is also sometimes referred to as the octane number of the fuel. The octane number of a fuel is measured in a test engine, and is defined by comparison with the mixture of iso-octane and normal heptane which would have the same anti-knocking capacity as the fuel under test: the percentage, by volume, of iso-octane in that mixture is the octane … By now you should’ve realized what the C4 and C5 signs meant in that picture just a few paragraphs above.