helicograph

As nouns the difference between terms and helicograph

is that terms is while helicograph is an instrument for drawing spiral lines on a plane.

As nouns the difference between helicograph and heliograph

is that helicograph is an instrument for drawing spiral lines on a plane while heliograph is an apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.

As a verb heliograph is

to send a message by heliograph.

As nouns the difference between plane and helicograph

is that plane is (label) the thing, the point, the interesting thing, the main interest in something, unusualness, speciality while helicograph is an instrument for drawing spiral lines on a plane.

As an adverb plane

is (label) particularly, especially, certainly.

As nouns the difference between line and helicograph

is that line is line while helicograph is an instrument for drawing spiral lines on a plane.

As nouns the difference between spiral and helicograph

is that spiral is a curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point while helicograph is an instrument for drawing spiral lines on a plane.

As an adjective spiral

is helical, like a spiral.

As a verb spiral

is to move along the path of a spiral or helix.

As nouns the difference between instrument and helicograph

is that instrument is while helicograph is an instrument for drawing spiral lines on a plane.