propagate

verb

• 1breed specimens of (a plant, animal, etc.) by natural processes from the parent stock:try propagating your own houseplants from cuttings
• [no object] (of a plant, animal, etc.) reproduce by natural processes:the plant propagates freely from stem cuttings

• 2spread and promote (an idea, theory, etc.) widely:the French propagated the idea that the English were violent and gluttonous drunkards

• 3(with reference to motion, light, sound, etc.) transmit or be transmitted in a particular direction or through a medium: [with object]:electromagnetic effects can be propagated at a finite velocity only through material substances [no object]:a hydraulic fracture is generally expected to propagate in a vertical plane (as adjective propagated)a propagated electrical signal