| BIOMETERS | • biometers n. Plural of biometer. • BIOMETER n. a device for measuring carbon dioxide given off by living matter. |
| DIAMETERS | • diameters n. Plural of diameter. • DIAMETER n. a straight line passing through the center of a circle and ending at the periphery. |
| GEOMETERS | • geometers n. Plural of geometer. • GEOMETER n. a specialist in geometry. |
| LUXMETERS | • luxmeters n. Plural of luxmeter. • LUXMETER n. an instrument for measuring illumination. |
| ODOMETERS | • odometers n. Plural of odometer. • ODOMETER n. a device for measuring distance travelled, also ODOGRAPH. |
| OHMMETERS | • ohmmeters n. Plural of ohmmeter. • OHMMETER n. an instrument for measuring ohmage. |
| OROMETERS | • orometers n. Plural of orometer. • OROMETER n. a barometer showing height above sea-level. |
| OXIMETERS | • oximeters n. Plural of oximeter. • OXIMETER n. a photoelectric instrument for measuring the oxygen saturation of the blood. |
| TRIMETERS | • trimeters n. Plural of trimeter. • TRIMETER n. a verse of three metrical feet. |
| UDOMETERS | • udometers n. Plural of udometer. • UDOMETER n. a rain gauge. |
| VIAMETERS | • viameters n. Plural of viameter. • VIAMETER n. a device for measuring distance travelled. |
| YAWMETERS | • yawmeters n. Plural of yawmeter. • YAWMETER n. an instrument in an aircraft. |