| phase in | (phrv) เริ่มดำเนินการ, See also: เข้าเข้าสู่ |
| phase in | We are entering a new phase in the war. |
| phase in | (v) introduce gradually, Ant. phase out |
| Phase in | v. t. To begin an activity or to incorporate new elements or replace older elements of an activity in steps, or by degrees. [ PJC ] |