Answer | Crossword Clue |
---|---|
timberline | the altitude above sea level at which timber ceases to grow |
hypsometers | A device for calibrating thermometers at the boiling point of water at a known height above sea level or for estimating height above sea level by finding the temperature at which water boils |
hypsometer | A device for calibrating thermometers at the boiling point of water at a known height above sea level or for estimating height above sea level by finding the temperature at which water boils |