| Answer | Crossword Clue |
|---|---|
| hygrodeiks | HYGRODEIK, a form of hygrometer having wet and dry bulb thermometers |
| hygrodeik | a form of hygrometer having wet and dry bulb thermometers |
| psychrometer | A hygrometer consisting of a wet-bulb and a dry-bulb thermometer, the difference in the two thermometer readings being used to determine atmospheric humidity |
| psychrometers | A hygrometer consisting of a wet-bulb and a dry-bulb thermometer, the difference in the two thermometer readings being used to determine atmospheric humidity |
