adj extensive; expanded.
2. dilate ·vt to enlarge upon; to relate at large; to tell copiously or diffusely.
3. dilate ·vi to grow wide; to expand; to swell or extend in all directions.
4. dilate ·vi to speak largely and copiously; to dwell in narration; to enlarge;
with on or upon.
5. dilate ·vt to expand; to distend; to enlarge or extend in all directions; to swell;
opposed to contract; as, the air dilates the lungs; air is dilated by increase of heat.