n Australian tennis player who in 1962 was the second man to win the Australian and French and English and United States singles titles in the same year; in 1969 he repeated this feat (born in 1938)
n (Old Testament) large basin used by a priest in an ancient Jewish temple to perform ritual ablutions
n edible red seaweeds
n seaweed with edible translucent crinkly green fronds
n (chemistry) the principle that (at chemical equilibrium) in a reversible reaction the ratio of the rate of the forward reaction to the rate of the reverse reaction is a constant for that reaction
n a Gestalt principle of organization holding that there is an innate tendency to perceive incomplete objects as complete and to close or fill gaps and to perceive asymmetric stimuli as symmetric