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The science of sound (wl)

Sound wave — a vibration in the air, in water, etc. that we hear as sound

Speed — the rate at which somebody/something moves or travels

Sonic boom — the explosive sound that is made when an aircraft travels faster than the speed of sound

Energy — a source of power, such as fuel, used for driving machines, providing heat, etc.

Transverse wave — a wave that vibrates at 90° to the direction in which it is moving

Longitudinal wave — a wave that vibrates in the direction that it is moving

Supersonic — faster than the speed of sound

Molecule — a group of atoms that forms the smallest unit that a substance can be divided into without a change in its chemical nature

Definition of sound wave from the Oxford Advanced Learner's Dictionary [

https://www.oxfordlearnersdictionaries.com/definition/english/sound-wave?q=sound+wave⁠

]

Definition of speed from the Oxford Advanced Learner's Dictionary [

https://www.oxfordlearnersdictionaries.com/definition/english/speed_1?q=Speed⁠

]

Definition of sonic boom from the Oxford Advanced Learner's Dictionary [

https://www.oxfordlearnersdictionaries.com/definition/english/sonic-boom?q=sonic+boom⁠

]

Definition of energy from the Oxford Advanced Learner's Dictionary [

https://www.oxfordlearnersdictionaries.com/definition/english/energy?q=energy⁠

]

Definition of transverse wave from the Oxford Advanced Learner's Dictionary [

https://www.oxfordlearnersdictionaries.com/definition/english/transverse-wave?q=transverse+wave⁠

]

Definition of longitudinal wave from the Oxford Advanced Learner's Dictionary [

https://www.oxfordlearnersdictionaries.com/definition/english/longitudinal-wave⁠

]

Definition of supersonic from the Oxford Advanced Learner's Dictionary [

https://www.oxfordlearnersdictionaries.com/definition/english/supersonic?q=Supersonic⁠

]

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