zeitgeber n. a naturally occurring cue, such as light or temperature, which regulates biological rhythms; something which influences or regulates the timing or rhythm of something else. Etymological Note: zeit ‘time’ + geber ‘giver.’ Coined by...
zeitgeber n.— «Light and temperature are the only periodic or quasi-periodic environmental variables to which endogenous oscillation can be coupled: in nature they entrain the endogenous oscillation, thereby controlling period and...
cookie n. a screen, board, card, or cloth, cut with shapes or holes, used to throw a light pattern when shooting film or television; the light pattern thrown by such a device. Also cucoloris, cucolorus, cucaloris, kukaloris, kookaloris, cuke, coo...
cookie n.— «The effect he explains, though is what we would refer to as “modeling” the light, which involves taking it away in certain spots to create shadows and add mystery. one way to achieve this effect, and what I think...
dub n.— «I have Good Year Ultra Grip 400, with dubs, as my winter-wheels. Good tires, but i’m not sure you can get these in the US.» —“SV: E300D Mysterious Dash Light, etc.” by Hans Marius S. Mastermo Usenet: alt.auto...
femtosecond n. 10 to the -15th power or 0.000000000000001 second, equalling a quadrillionth of a second or 0.3 light microns. Editorial Note: Commonly used in measurement of light in laser or light-related technologies. Etymological Note: Danish or...