developing phase

noun phrase
UK /dɪˈveləpɪŋ feɪz/
US /dɪˈveləpɪŋ feɪz/

A time when something is growing and getting better.

The tadpole is in its developing phase before it becomes a frog.


OTHER MEANINGS

2. A stage in a project when plans are being made and work is starting.

The new park is still in its developing phase, so the swings are not ready yet.

3. A period when a skill or idea is being practiced and improved.

Her drawing is in a developing phase, so she practices every day.

4. A step in a process where something changes from simple to more complex.

The storm is in its developing phase and may get stronger.