There are more than 50 countries that export coffee. They are near the equator, where the climate is conducive to producing coffee beans.
audiometer, sonometer
(noun) an instrument used to measure the sensitivity of hearing
Source: WordNet® 3.1
sonometer (plural sonometers)
An audiometer (device for gauging the hearing).
An instrument for measuring sounds or their intervals by means of a sounding board with strings stretched above it, movable bridges, and weights for varying the tension.
• monoester
Source: Wiktionary
So*nom"e*ter, n. Etym: [L. sonus a sound + -meter.]
1. (Physiol.)
Definition: An instrument for exhibiting the transverse vibrations of cords, and ascertaining the relations between musical notes. It consists of a cord stretched by weight along a box, and divided into different lengths at pleasure by a bridge, the place of which is determined by a scale on the face of the box.
2. An instrument for testing the hearing capacity.
Source: Webster’s Unabridged Dictionary 1913 Edition
2 May 2025
(noun) excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine
There are more than 50 countries that export coffee. They are near the equator, where the climate is conducive to producing coffee beans.