Spreading
/ˈspɹɛdɪŋ/
verb
To stretch out, open out (a material etc.) so that it more fully covers a given area of space.
“He spread his newspaper on the table.”
To extend (individual rays, limbs etc.); to stretch out in varying or opposing directions.
“I spread my arms wide and welcomed him home.”
To disperse, to scatter or distribute over a given area.
“I spread the rice grains evenly over the floor.”
Synonyms: circulate, diffuse, disseminate, propagate, put about
noun
The act by which something is spread.