| Terms for subject Lighting (other than cinema) (1011 entries) |
| Abney phenomenon | Abneys fenomen | |
| Abney's law | Abneys lov | |
| abnormal cathode fall | unormalt katodefall | |
| absolute thermal detector | absolutt termisk detektor | |
| absorptance | absorptans | |
| absorption (of electromagnetic waves) | absorpsjon | |
| accommodation | akkomodasjon | |
| actinism | aktinisme | |
| action spectrum (of optical radiations, for a specified actinic phenomenon, in a specified system) | aksjonsspektrum | |
| adaptation | adaptasjon | |
| adaptive (perceived) colour shift | adaptasjonsbunden (oppfatta) fargeendring | |
| additive mixture of colour stimuli | additiv blanding av fargestimuli | |
| adjustable luminaire | justerbar armatur | |
| aerodrome beacon | flyplassfyr | |
| aeronautical ground light | aeronautisk bakkelys | |
| afterglow | etterlys | |
| air-turbo lamp | trykkluftlampe | |
| alternating light | veksellys | |
| alychne | alykne | |
| anti-collision light | antikollisjonslys |