ENERGY STAR ®, the upcoming DesignLights Consortium ® Lighting Quality Initiative, and California’s Title 20 all require the reporting of flicker performance and/or considering the adoption of flicker criteria. The work of this committee produced IEEE recommended practice P1789-2015 for evaluating flicker risks, and although its recommendations are incomplete for eradicating flicker, it raised awareness of this important health and visibility issue. In response, the Institute of Electrical and Electronics Engineers (IEEE) formed an industry standards committee on flicker, co-chaired and staffed by DOE technical experts, among others. Flicker is defined as rapid variation in light source intensity, which can cause visual effects ranging from uncomfortable to harmful or dangerous. Saying it helped to quell that flicker of excitement.Since 2009, DOE has conducted research on the visual phenomenon known as flicker.The heretofore brilliant, often blinding light of classical culture was gradually reduced to a pitiful flicker.Nothing could get out - or in, she registered with a flicker of hope.Bruce Law walks through a desert hell, looking for saguaros that still show a flicker of life at McDowell Mountain Park.Only once did he show a flicker of being a person.I really have never felt even a flicker of emotion when I sang the National Anthem.
#Flicker definition series
flicker flicker 2 noun 1 SHINE an unsteady light that goes on and off quickly flicker of the flicker of the firelight 2 → a flicker of emotion/uncertainty/excitement etc 3 SHAKE a quick sudden movement or series of movements Examples from the Corpus flicker Lights flicker on throughout the house at the touch of a single button.Pines, too, provide filtered shade as sunlight flickers through the needles.Across the room, the glow from the fireplace flickered on the highly polished floor.Shadows were flickering across the blue glow inside the airlock.The lights flickered on before Graham could do more than put his arms round her.The lights began to flicker on and off.Its light flickered on and off for a moment, as if it was making itself comfortable in a mechanical kind of way.The stream flickered slightly in the moonlight.His eyes flickered over her shoulders.His flat-tax fire, which burned hot for months, ultimately flickered out along with his popularity.He told me the story, sitting in my room with the firelight flickering on the ceiling rafters.Suddenly, an hour after the opening bell, the computers at the New York Stock Exchange flicker off.Inside the shrine candles flicker next to statues of saints.Months at sea had rusted their connections so they flickered irritatingly.A welcoming fire flickered in the grate.By night, faery lights flicker in the darkness, drifting behind the Everqueen's courtiers and illuminating the revels and feasting.The lights flickered I wondered if we were about to lose our power.She allowed her steady gaze to flicker from the glass which she had been holding firm.Penny's eyelids flickered for a moment, then she slept.The overhead lights suddenly flickered and went out.The candle flickered a few times and then went out.→ See Verb table Examples from the Corpus flicker 3 SHAKE to quickly make a sudden small movement or series of movements Polly’s eyelids flickered, then she slept. ► see thesaurus at shine 2 SHOW A FEELING OR ATTITUDE if an emotion or expression flickers on someone’s face or through their mind, it exists or is shown for only a short time flicker across/through/on etc A puzzled smile flickered across the woman’s face. ○○ verb 1 BURN SHINE to burn or shine with an unsteady light that goes on and off quickly The overhead lights flickered momentarily.From Longman Dictionary of Contemporary English flicker flick‧er 1 / ˈflɪkə $ -ər /