Answer | Crossword Clue |
---|---|
momentary | Lasting for a very short time; brief |
fleeting | Lasting for a very short time |
ephemeral | lasting a very short time |
everlasting | Lasting forever or for a very long time |
tachistoscope | An instrument used for exposing objects to the eye for a very brief measured period of time |
tachistoscopes | An instrument used for exposing objects to the eye for a very brief measured period of time |