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...
booby Jacuzzi n.— «By gently warming her breast, her doctors unleashed the cell-killing compounds in the vicinity of the tumor without poisoning the rest of her body. All she had to do was lie face down on a padded table, her affected...
eco-roof n.— «Hines argues that there are sound technical reasons to use an eco-roof. “A grass roof protects the roof membrane on flat roofs from extremes of temperature and also blocks ultra-violet light, which helps the membrane...