Hypsometer

[hip'sɒmitә]

解释:

(noun.) an altimeter that uses the boiling point of water to determine land elevation.

手打:朱迪--From WordNet

解释:

(n.) An instrument for measuring heights by observation of barometric pressure; esp., one for determining heights by ascertaining the boiling point of water. It consists of a vessel for water, with a lamp for heating it, and an inclosed thermometer for showing the temperature of ebullition.

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