To expand to cover a large or increasing area; (also) to stretch far and wide, to be displayed as an… intransitive. Of something material.

= dissipate, v.

intransitive (for reflexive). To become dissipated or scattered, as a cloud or the like.

intransitive (for reflexive). To pass away in all directions; (of a company) to disperse.

intransitive (for reflexive). Said of clouds, mists, etc.: to divide, disperse.

To expand to cover a large or increasing area; (also) to stretch far and wide, to be displayed as an… intransitive. to spread off: to lift or…