v.
1. tr. & intr. increase in size or bulk or importance.
2 intr. (often foll. by on) give a fuller description or account.
3 intr. become more genial or effusive; discard one's reserve.
4 tr. set or write out in full (something condensed or abbreviated).
5 tr. & intr. spread out flat.
Phrases and idioms:
expanded metal sheet metal slit and stretched into a mesh, used to reinforce concrete and other brittle materials.
Derivatives:
expandable adj. expander n. expansible adj. expansibility n.
Etymology: ME f. L expandere expans- spread out (as EX-(1), pandere spread)