Weston
/ˈwɛst(ə)n/noun
1Attributive and in the genitive. Electricity. Designating a primary cell with a very low variation of voltage with temperature, used as a standard voltage source for calibration purposes.
- The Weston cell has a cathode of mercury, an anode of cadmium amalgam, and an electrolyte of cadmium sulphate..
2Attributive Photography. Designating a system of film speeds based on exposure meters originally made by the Weston Electrical Instrument Company; designating a film speed expressed according to this system (also as postpositive). Now historical.
Origin
Late 19th century. From the name of Edward Weston, English-born electrical engineer.
- under the impression that
- under the influence
- under the microscope
- under the name (of)
- under the open sky
- under the pump
- under the rose
- under the skin
- under the sod
- under the sun
- under the table
- under the weather
- under the wire
- underthings
- underthrust
- undertint
- undertip
- undertone
- undertook
- undertow
- undertrained
- undertrial
- undertrick
- underuse
- underutilise