Ex·pand v. t. [imp. & p. p. Expanded; p. pr. & vb. n. Expanding.]
1. To lay open by extending; to open wide; to spread out; to diffuse; as, a flower expands its leaves.
Then with expanded wings he steers his flight. --Milton.
2. To cause the particles or parts of to spread themselves or stand apart, thus increasing bulk without addition of substance; to make to occupy more space; to dilate; to distend; to extend every way; to enlarge; -- opposed to contract; as, to expand the chest; heat expands all bodies; to expand the sphere of benevolence.
3. Math. To state in enlarged form; to develop; as, to expand an equation. See Expansion, 5.
adj : increased in extent or size or bulk or scope [ant: contracted]