sensitometer From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAn instrument used to measure the sensitivity of photographic film to light. Related wordsSynonymsphotographometerspeedphotodensitometeresthesiometerimage sensorsunphotometerexposure meterkinesimeterphotometerfilm speedluxometerlight meterluxmetersusceptometerkinesthesiometermicrodensitometer References Wiktionary — sensitometer Wikipedia — sensitometer