| DIFFRACTOMETER | • diffractometer n. A device that uses diffraction (especially X-ray diffraction) to investigate the structure of matter. • DIFFRACTOMETER n. an instrument for determining structure of crystal through light diffraction. | 
| DIFFRACTOMETERS | • diffractometers n. Plural of diffractometer. • DIFFRACTOMETER n. an instrument for determining structure of crystal through light diffraction. | 
| GALACTOMETER | • galactometer n. (Archaic) A lactometer. • GALACTOMETER n. an instrument for measuring the specific gravity of milk. | 
| GALACTOMETERS | • galactometers n. Plural of galactometer. • GALACTOMETER n. an instrument for measuring the specific gravity of milk. | 
| HECTOMETER | • hectometer n. US spelling of hectometre. • HECTOMETER n. a measure of length, equal to a hundred meters, also HECTOMETRE. | 
| HECTOMETERS | • hectometers n. Plural of hectometer. • HECTOMETER n. a measure of length, equal to a hundred meters, also HECTOMETRE. | 
| 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. | 
| LACTOMETERS | • lactometers n. Plural of lactometer. • LACTOMETER n. an instrument for testing the relative density of milk. | 
| OLFACTOMETER | • olfactometer n. A device used to measure the acuity of a person’s sense of smell. • olfactometer n. A device used to measure odour intensity, and concentrations of volatile organic compounds, by means of their smell. • OLFACTOMETER n. an instrument measuring intensity of odour of a substance. | 
| OLFACTOMETERS | • olfactometers n. Plural of olfactometer. • OLFACTOMETER n. an instrument measuring intensity of odour of a substance. | 
| REFLECTOMETER | • reflectometer n. An instrument used to measure the reflectance of a surface. • REFLECTOMETER n. instrument for measuring reflectance of radiant energy. | 
| REFLECTOMETERS | • reflectometers n. Plural of reflectometer. • REFLECTOMETER n. instrument for measuring reflectance of radiant energy. | 
| REFRACTOMETER | • refractometer n. (Physics) An optical instrument used to measure the refractive index of a substance. • REFRACTOMETER n. an instrument for measuring the refraction of light. | 
| REFRACTOMETERS | • refractometers n. Plural of refractometer. • REFRACTOMETER n. an instrument for measuring the refraction of light. | 
| STACTOMETER | • stactometer n. Stalagmometer. • STACTOMETER n. a pipette with a hollow bulb in the middle for counting drops, also STAKTOMETER. | 
| STACTOMETERS | • stactometers n. Plural of stactometer. • STACTOMETER n. a pipette with a hollow bulb in the middle for counting drops, also STAKTOMETER. |