Englishfor English speakers
physical
Adjective
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A physical thing or activity is related to the body, or something you can touch.
The war didn't leave him with any physical injuries, but his mind was badly damaged.
When we look at where someone lives, we have to look at the physical environment (e.g., the amount of green space, transportation, house size, etc.) as well as the social environment.
acoustics
Noun
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If a space has good acoustics (or sometimes acoustic) its physical structure makes it easy to hear sound in it.
She hated singing in the gym because of the poor acoustics.
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Acoustics is the study of sound.