Specialist dictionary

Waves acoustics

Specialist vocabulary classified under Physics.

Core vocabulary

35 featured terms

The database can contain more terms than shown here; this page prioritises the strongest mappings.

DBnoun

a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity

Decibelnoun

a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity

Diffractionnoun

when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands

Doppler effectnoun

change in the apparent frequency of a wave as observer and source move toward or away from each other

Doppler shiftnoun

change in the apparent frequency of a wave as observer and source move toward or away from each other

First harmonicnoun

the lowest tone of a harmonic series

Fundamentalnoun

the lowest tone of a harmonic series

Fundamental frequencynoun

the lowest tone of a harmonic series

Standing wavenoun

a wave (as a sound wave in a chamber or an electromagnetic wave in a transmission line) in which the ratio of its instantaneous amplitude at one…

Stationary wavenoun

a wave (as a sound wave in a chamber or an electromagnetic wave in a transmission line) in which the ratio of its instantaneous amplitude at one…

Amplitudenoun

(physics) the maximum displacement of a periodic wave

X-ray diffractionnoun

the scattering of X rays by the atoms of a crystal; the diffraction pattern shows structure of the crystal

wavelengthnoun

the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave

Disturbancenoun

electrical or acoustic activity that can disturb communication

Harmonicadjective

of or relating to the branch of acoustics that studies the composition of musical sounds; "the sound of the resonating cavity cannot be the only…

Intensitynoun

the amount of energy transmitted (as by acoustic or electromagnetic radiation); "he adjusted the intensity of the sound"; "they measured the sta…

Interferencenoun

electrical or acoustic activity that can disturb communication

Noisenoun

electrical or acoustic activity that can disturb communication

Pitchnoun

the property of sound that varies with variation in the frequency of vibration

Resonancenoun

a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibration as the natural frequency of the res…

Strengthnoun

the amount of energy transmitted (as by acoustic or electromagnetic radiation); "he adjusted the intensity of the sound"; "they measured the sta…

Altonoun

the pitch range of the lowest female voice

Altonoun

(of a musical instrument) the second highest instrument in a family of musical instruments

Backgroundnoun

extraneous signals that can be confused with the phenomenon to be observed or measured; "they got a bad connection and could hardly hear one ano…

Background signalnoun

extraneous signals that can be confused with the phenomenon to be observed or measured; "they got a bad connection and could hardly hear one ano…

Bassnoun

the lowest part of the musical range

Clutternoun

unwanted echoes that interfere with the observation of signals on a radar screen

Keynoun

pitch of the voice; "he spoke in a low key"

Sopranonoun

the pitch range of the highest female voice

Staticnoun

a crackling or hissing noise caused by electrical interference

Tenornoun

the pitch range of the highest male voice

Tonenoun

(linguistics) a pitch or change in pitch of the voice that serves to distinguish words in tonal languages; "the Beijing dialect uses four tones"

Treblenoun

the pitch range of the highest female voice

Tunenoun

the property of producing accurately a note of a given pitch; "he cannot sing in tune"; "the clarinet was out of tune"

Deepnessnoun

a low pitch that is loud and voluminous