"reciprocal" - key terms from Wikipedia

reciprocal
reciprocal	admission
reciprocal	aid
reciprocal	fibonacci numbers
reciprocal	function
reciprocal	functions
reciprocal	if
reciprocal	justice
reciprocal	lattice
reciprocal	lattice vector
reciprocal	link
reciprocal	networks
reciprocal	recording studios
reciprocal	rule
reciprocal	space
reciprocal	square
reciprocal	violence
reciprocal	zugzwang