meter-, metro-, metr-, -metrical, -metrically, -metron, -metric, -metrist, -meter, -meters, -metry, -metre

(Greek: measure)

olfactometry (s) (noun), olfactometries (pl)
1. The measurement of the sense of smell.
2. A determination of the degree of sensitivity to odorants.
oligochronometer (s) (noun), oligochronometers (pl)
An instrument for measuring very short time intervals: In preparing for the upcoming sports events in the district, an oligochronometer had to be organized in order to determine the exact and precise timing in the races of the athletes.
ombrometer (s) (noun), ombrometers (pl)
A rain gauge which collects and measures rainfall as expressed in inches or centimeters of depth.
omnimeter
oncometer
An instrument for measuring the variations in size of the internal organs of the body, as the kidney, spleen, etc.
oncometry
The procedure of determining changes in the size of an organ by using an oncometer.
oncosimeter
ondometer
oometer
ophthalmometer
An instrument for measuring the reflection of an image on the surface of the cornea and other capacities of the eye; used primarily for determining the presence and degree of astigmatism (visual impairment in which part of an image is blurred, due to an irregularity in the curvature of the front surface of the eye, the cornea).
ophthalmometry
1. Determination of the refractive powers and defects of the eyes.
2. Measuring the reflection of an image on the surface of the cornea and other capacities of the eyes, used chiefly for determining the presence and degree of astigmatism (a common form of visual impairment in which part of an image is blurred).
ophthalmothermometer
An instrument for recording the temperature of the eyes.
ophthalmotonometry.
The indirect estimation of intraocular pressure by determining the resistance of the eyeball to indentation by an applied force; also, tonometry.
optometer
An instrument for measuring the distance of distinct vision, mainly for the selection of eve glasses.
optometry
1. The professional practice of primary eye and vision care that includes the measurement of visual refractive power and the correction of visual defects with lenses or glasses.
2. The practice of non-medical eye care, dealing primarily with the testing of vision for refractive errors and with the prescription and fitting of corrective lenses.
3. The professional practice of eye and vision care for the diagnosis, treatment, and prevention of diseases and conditions of the eyes and visual systems.
4. The practice of examining eyes in order to determine levels of vision and then prescribing and supplying any necessary corrective lenses.

Related "measure" and "metric" words and charts: mens-; Metric Chart of Units; Metric-Length Converter; Metric Units and Links.