rapidchange

noun
UK /ˈræpɪd tʃeɪndʒ/
US /ˈræpɪd tʃeɪndʒ/

A rapidchange is when something changes very fast.

The weather had a rapidchange from sunny to stormy in just an hour.


OTHER MEANINGS

2. A fast switch from one state or condition to another.

The rapidchange in the team's mood was clear after they won.

3. A quick replacement of one thing with another.

A rapidchange of clothes was needed before the party.

4. A sudden shift in direction or course.

The boat made a rapidchange to avoid the rocks.