houselight n. a small light bulb or bulbs used to provide c...
cytoskeleton n. an internal framework or “scaffolding” pres...
warm-up n. 1. the use of a physical routine to...
Gaia hypothesis the hypothesis that the earth, its living t...
staircase illusion a three-dimensional impossible figure in...
kyphosis n. an abnormal outward curvature of the spine at t...