A covalent bond between the amine end of one amino acid and the acid end of another amino acid. PICTURE. peptides Short chains of amino acids. ~ /PEP-tide/ A covalent bond between two amino acids; forms when the amino group of one amino acid bonds to the carboxyl group of another and water is eliminated.
Home > Shopping Tools > Weather Station Glossary of Terms > wind vane (definition) A wind vane is a device that measures the direction of the wind. The wind vane is usually combined with the anemometer. Wind direction is the direction from which the wind is blowing.
A RAIN GAUGE measures the amount of rain that has fallen over a specific time period. A WIND VANE is an instrument that determines the direction from which the wind is blowing. An ANEMOMETER measures wind speed. The cups catch the wind, turning a dial attached to the instrument. The dial shows the wind speed. A WIND SOCK is a conical textile tube, which resembles a giant sock, designed to indicate wind direction and relative wind speed. WEATHER MAPS indicate atmospheric conditions above a large portion of the Earthâs surface. Meteorologists use weather maps to forecast the weather. A HYGROMETER measures the water vapor content of air or the humidity. A WEATHER BALLOON measures weather conditions higher up in the atmosphere.