Definitions

1. noun

A star that suddenly becomes much brighter and then becomes much dimmer as its fuel is exhausted.

“The astronomer studied the nova in the distant galaxy.”

2. noun

A sudden, brief explosion of energy, often resulting in a spectacular display.

“The fireworks ended with a brilliant nova of color and light.”

3. noun

A new or sudden development or idea.

“The scientist’s nova idea revolutionized the field of medicine.”