The noun VIRGO has 3 senses: 1. (astrology) a person who is born while the sun is in Virgo. 2. a large zodiacal constellation on the equator; between Leo and Libra. 3. the sixth sign of the zodiac; the sun is in this sign from about August 23 to September 22. Familiarity information: VIRGO used as a noun is uncommon. Dictionary entry details.
A phonon is a quantum of energy of the independent oscillators in the ensemble. ... All Answers (12) phonons are a way to describe the vibrational degrees of freedom in periodic structures (lattices): the vibrational motions can be modelled as harmonic oscillators, so they can be quantized nearly in the same way.
Phonograph, also called record player, instrument for reproducing sounds by means of the vibration of a stylus, or needle, following a groove on a rotating disc. A phonograph disc, or record, stores a replica of sound waves as a series of undulations in a sinuous groove inscribed on its rotating surface by the stylus. When the record is played back, another stylus responds to the undulations, and its motions are then reconverted into sound.