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# acoustics

noun (acoustics — plural for a room; uncountable for the science)

«acoustics» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. The acoustics of a room or building are the way sound travels and is heard in it: good acoustics mean music and speech sound clear. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acoustics/#m1)
2. Acoustics is the science of sound: how it is made, how it travels and how we hear it. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acoustics/#m2)

### In the lessons

In science lessons on sound, pupils learn that hard surfaces reflect sound (echoes) and soft ones (curtains, carpets) absorb it; that is why halls and theatres are built with care. In music, concert halls are praised for their acoustics. Phrases: «good acoustics», «poor acoustics», «the acoustics of the hall».

### Examples

- The cathedral has amazing acoustics, so the choir sounds beautiful. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acoustics/#x1)
- The school hall has poor acoustics; it's hard to hear at the back. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acoustics/#x2)
- Acoustics is the science of sound. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acoustics/#x3)
- Soft curtains improve the acoustics of a room. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acoustics/#x4)
- The Sydney Opera House was designed with special attention to acoustics. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acoustics/#x5)
- In the empty gym, the acoustics made our voices echo. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acoustics/#x6)

### Note

Grammar trap: about a place it is plural — «The acoustics are good»; as the name of a science it is singular — «Acoustics is a branch of physics». Say «a-KOO-stiks». Adjective: acoustic (as in an acoustic guitar, which is not electric).

## On Mova

- [Trees and pragmatics of «acoustics» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acoustics/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«acoustics» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/acoustics.html) on Mova free.