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second sound
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Second sound — is a quantum mechanical phenomenon in which heat transfer occurs by wave like motion, rather than by the more usual mechanism of diffusion. This leads to a very high thermal conductivity. It is known as second sound because the wave motion of… … Wikipedia
second sound — noun : transfer of heat which is much faster than conduction or convection, which is observed only in helium II, and in which waves of temperature resembling sound waves travel at speeds of about 20 meters per second * * * second sound, Physics.… … Useful english dictionary
Second Sound — Als zweiten Schall bezeichnet man ein quantenmechanisches Phänomen, bei dem in Suprafluiden Temperatur oder Entropie Wellen erzeugt werden können. Der Wärmetransport erfolgt hier nicht wie üblich durch Diffusion, sondern durch Temperatur Pulse… … Deutsch Wikipedia
Second sound — Als zweiten Schall bezeichnet man ein quantenmechanisches Phänomen, bei dem in Suprafluiden Temperatur oder Entropie Wellen erzeugt werden können. Der Wärmetransport erfolgt hier nicht wie üblich durch Diffusion, sondern durch Temperatur Pulse… … Deutsch Wikipedia
aortic second sound — (A2) the audible vibrations related to the closure of the aortic valve. See also second heart s … Medical dictionary
pulmonic second sound — the audible vibrations related to the closure of the pulmonary valve; abbreviated P2. See also second heart s … Medical dictionary
sound — {{Roman}}I.{{/Roman}} noun 1 sth you hear ADJECTIVE ▪ big, deafening, loud, powerful ▪ We need a big powerful sound from the trumpets in the final passage. ▪ audible … Collocations dictionary
sound bite — radio advertisement, a few seconds of radio time I advertise our hotel on the radio using ten second sound bites … English idioms
sound bite — a spoken phrase or sentence short and pithy enough to be broadcast in its entirety An art form developed by politicians who know that any fuller statement is likely to be truncated or distorted prior to or on being broadcast: We are in… … How not to say what you mean: A dictionary of euphemisms
Second Coming of Christ — Second Coming redirects here. For other uses, see Second Coming (disambiguation). Part of a series on Eschatology … Wikipedia
