seismic holography
1List of wave topics — This is a list of wave topics.0 ndash;9*21 cm lineA*Abbe prism *absorption spectrum *acoustics *Airy disc *Airy wave theory *Alfvén wave *Alpha waves *amphidromic point *amplitude *amplitude modulation *analog sound vs. digital sound *animal… …
2infrasonics — /in freuh son iks/, n. (used with a sing. v.) the branch of science that deals with infrasonic phenomena. [1965 70; see INFRASONIC, ICS] * * * ▪ physics vibrational or stress waves in elastic media, having a frequency below those of sound… …
3ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… …
