plural of sound barrier

The technique of using reflected pulses of sound to determine depth or the location of objects (or fish) under water. / A particular measurement made using this technique.

plural of found sound

Any sound that is recorded from the environment without being specially prepared or induced.

plural of sh sound

plural of th sound

In Semitic and other Afro-Asiatic languages, a regular plural formed by adding a suffix, without changes to the stem. An example in Arabic is مُسْلِمُونَ (muslimūna, “Muslims”), the plural form of مُسْلِم (muslim, “Muslim”), formed by adding the suffix ـُونَ (-ūna), and مُسْلِمَاتٌ (muslimātun, “Muslim women”), formed by adding the suffix ـَاتٌ (-ātun).

(photography) A housing attached to a camera in order to reduce the shutter click sound.

A Chinese musical instrument, usually L-shaped, made of stone or jade, hung and struck as a xylophone.

plural of sounding stone