Answer: propagating

AnswerCrossword Clue
propagating(of motion, light, sound, etc.) Be transmitted or travel in such a way
propagatingTransmit (motion, light, sound, etc.) in a particular direction or through a medium
propagatingCause (something) to increase in number or amount
propagatingBreed specimens of (a plant, animal, etc.) by natural processes from the parent stock
propagatingSpread and promote (an idea, theory, knowledge, etc.) widely
propagatingPROPAGATE, to increase by natural process; to multiply
propagating(of a plant, animal, etc.) Reproduce in such a way