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.
1. a horizontal line over a vowel to show that it is long or has a specific pronunciation, as (Ä) in fate (fÄt). 2. this symbol used in prosody to indicate a long or stressed syllable. Noun. 1. macron - a diacritical mark (-) placed above a vowel to indicate a long sound.