condense

transitive verb condensed, condensing

1. to make more dense or compact; reduce the volume of; compress
2. to express in fewer words; make concise; abridge
3. to change (a substance) to a denser form, as from a gas to a liquid
4. Chem. to cause molecules of (the same or different substances) to combine to form a more complex compound, often with elimination of a simple molecule, as water

intransitive verb