A phase is one part of a process or time. It means a stage that is different from the others. People often use it to talk about steps in plans or events.
The project is in the first phase now.
We will start the final phase tomorrow.
In space, phase means how much of the moon or planet we see lit by the sun. The moon changes its appearance in phases like full moon or new moon.
The full moon phase is bright tonight.
The moon changes phase every month.
In science, phase is the position of a wave or signal in its repeating cycle. It helps to measure and compare waves or electric currents.
The phases of the signal must be aligned.
Electric currents can have different phases.
As a verb, to phase means to do something over time or in parts. For example, when new rules start slowly, they are phased in. When old things stop and disappear, they are phased out.
We will phase in the new rules slowly.
The company phased out old products last year.
Phase can mean a short time in life when a person acts or feels different than normal. These phases change after some time.
He is going through a rebellious phase now.
The tired phase will pass soon.
In science, phase means a form of matter like solid, liquid, or gas. Matter can change phase when the temperature changes.
Water can change phase from liquid to gas.
The solid phase is hard and holds shape.
Phase can also mean changing the timing of light waves in photography and optics. This helps make clearer pictures by adjusting light.
Phase shift helps reduce light distortions.
The camera lens adjusts the phase of light.
