| ACETOMETER | • acetometer n. Alternative form of acetimeter. • ACETOMETER n. a device for measuring the concentration of acetic acid in a solution, esp. in vinegar. |
| ATTOMETERS | • attometers n. Plural of attometer. • ATTOMETER n. ten to the power of minus eighteen metres, also ATTOMETRE. |
| ATTOMETRES | • attometres n. Plural of attometre. • ATTOMETRE n. ten to the power of minus eighteen metres, also ATTOMETER. |
| AUTOMETERS | • AUTOMETER n. a small device fitted into a photocopier to count the number of copies made. |
| CYTOMETERS | • cytometers n. Plural of cytometer. • CYTOMETER n. an instrument for counting cells. |
| CYTOMETRIC | • cytometric adj. Of or pertaining to cytometry. • CYTOMETRIC adj. relating to cytometry, the counting of cells. |
| HECTOMETER | • hectometer n. US spelling of hectometre. • HECTOMETER n. a measure of length, equal to a hundred meters, also HECTOMETRE. |
| HECTOMETRE | • hectometre n. (Metrology) An SI unit of length equal to 102 metres. Symbol: hm. • HECTOMETRE n. a measure of length, equal to a hundred meters, also HECTOMETER. |
| HYETOMETER | • hyetometer n. Rain gauge. • HYETOMETER n. an instrument for measuring rainfall. |
| LACTOMETER | • lactometer n. A device that estimates the cream content of milk by measuring its specific gravity. • LACTOMETER n. an instrument for testing the relative density of milk. |
| OPTOMETERS | • optometers n. Plural of optometer. • OPTOMETER n. an instrument for testing vision. |
| OPTOMETRIC | • optometric adj. Of or pertaining to optometry. • OPTOMETRIC adj. relating to optometry, also OPTOMETRICAL. |
| PHOTOMETER | • photometer n. (Physics) Any of several instruments used to measure various aspects of the intensity of light. • photometer v. (Astronomy) To measure some aspect of light (from a star) using a photometer. • PHOTOMETER n. an instrument for measuring light intensity. |
| PHOTOMETRY | • photometry n. (Physics) The measurement of various aspects of light, especially its intensity. • photometry n. (Astronomy) The measurement of the intensity and spectrum of light from stars. • PHOTOMETRY n. that branch of science which treats of the measurement of the intensity of light. |
| POTOMETERS | • potometers n. Plural of potometer. • POTOMETER n. an instrument measuring the rate at which plants absorb water. |
| SCOTOMETER | • scotometer n. An instrument for detecting and measuring scotomas. • SCOTOMETER n. an instrument for detecting defects in the visual field. |
| TINTOMETER | • tintometer n. Synonym of colorimeter. • TINTOMETER n. another name for colorimeter, an instrument for measuring and determining color. |