verb, -fied, -fy⋅ing.| 1. | to make solid; make into a hard or compact mass; change from a liquid or gaseous to a solid form. |
| 2. | to unite firmly or consolidate. |
| 3. | to form into crystals; make crystallized. |
| 4. | to become solid. |
| 5. | to form into crystals; become crystallized. |