Schröder staircase an ambiguous figure of a staircase, whic...
cognitive-social learning theory see social-cognitive theor...
dextrosinistral adj. oriented or directed from the right si...
spasm n. a sudden, involuntary muscle contraction. It may b...
professional–client sexual relations a boundary violation (...
nisus n. in the system of Gottfried Wilhelm Leibniz, the in...