"tangent" - key terms from Wikipedia

all tangent	vectors
circle tangent
distance from the tangent	point
each tangent
externally tangent
hyperbolic tangent
internally or externally tangent
internally tangent
local tangent	plane
mutually tangent
mutually tangent	circles
mutually tangent	given circles
penitent tangent
slope of the tangent
slope of the tangent	line
tangent
tangent	arc
tangent	bundle
tangent	comics
tangent	function
tangent	galvanometer
tangent	given circles must
tangent	line
tangent	lines
tangent	plane
tangent	points
tangent	sight
tangent	space
tangent	to a curve
tangent	to each other
tangent	to the curve
tangent	to the hyperbola
tangent	universe
tangent	vector
tangent	vectors
unit tangent	vector
upper tangent	arc