Capable of being translated into sound by the human ear

Related Terms

ACOUSTIC

A term pertaining to sound, or the science of sound.

AMBIENT NOISE

The normal sound in a room or other location.

AIRBORNE SOUND

Sound which reaches the point of interest by radiation through the air.

HEAT LIGHTNING

A flash of light from an electric discharge, without thunder, believed to be the reflection by haze or clouds of a distant lash of lightning, too far away for the thunder to be audible

HYDRAULIC CURRENT

A current in a channel caused by a difference in the surface level at the two ends. Such a current may be expected in a strait connecting two bodies of water in which the tides differ in time or range. The current in the East River, N.Y., connecting Long Island Sound and New York Harbor, is an example.

ICE PELLETS

A type of precipitation consisting of transparent or translucent pellets of ice, 5 millimeters or less in diameter. The pellets may be spherical, irregular, or (rarely) conical in shape. They usually bounce when hitting hard ground, and make a sound upon impact. Ice pellets includes two basically different types of precipitation, those which are known in the United States as SLEET and SMALL HAIL. Sleet is generally transparent, globular, solid grains of ice which have formed from the freezing of raindrops or the refreezing o

INFRASONIC

Having a frequency below the audible range. Frequencies above the audible range are called ULTRASONIC.

FATHOMETER

A depth finder that uses sound waves to determine the depth of water.

INOPERATIVE

Said of a sound signal or radionavigation aid out of service due to a malfunction

BELL

The type of buoy with a large bell and hanging hammers that sound by wave action.

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