| CHLOROMETER | • chlorometer n. An instrument to test the bleaching power of chloride of lime. • CHLOROMETER n. instrument for measuring amount of chlorine in a solution. |
| DENDROMETER | • dendrometer n. A device for measuring the height or diameter of trees. • DENDROMETER n. an instrument for measuring trees. |
| FLUOROMETER | • fluorometer n. An instrument used to detect and measure fluorescence. • FLUOROMETER n. an instrument for measuring fluorescence, also FLUORIMETER. |
| HYDROMETEOR | • hydrometeor n. Rain, snow and other precipitation products of the condensation of atmospheric water vapour. • HYDROMETEOR n. a general term for the aqueous phenomena of the atmosphere, as rain, snow, sleet, hail. |
| HYDROMETERS | • hydrometers n. Plural of hydrometer. • HYDROMETER n. an instrument for measuring the specific gravity of liquids. |
| HYGROMETERS | • hygrometers n. Plural of hygrometer. • HYGROMETER n. an instrument for measuring air moisture. |
| MICROMETERS | • micrometers n. Plural of micrometer. • MICROMETER n. an instrument for measuring very small distances. |
| NITROMETERS | • nitrometers n. Plural of nitrometer. • NITROMETER n. an instrument for measuring nitrogen and its compounds. |
| OMBROMETERS | • ombrometers n. Plural of ombrometer. • OMBROMETER n. a rain-gauge. |
| SCLEROMETER | • sclerometer n. A device used to measure the hardness of a material by applying pressure to a moving diamond stylus. • SCLEROMETER n. an instrument for measuring the hardness of minerals. |
| SPHEROMETER | • spherometer n. A device used to measure the curvature of a surface, such as a lens. • SPHEROMETER n. an instrument for measuring curvature. |
| SPIROMETERS | • spirometers n. Plural of spirometer. • SPIROMETER n. an instrument measuring lung capacity. |
| VIBROMETERS | • vibrometers n. Plural of vibrometer. • VIBROMETER n. an instrument for measuring vibrations. |