Definitions

1. noun

In Greek mythology, a sea god with the ability to change his shape at will; a person or thing that is constantly changing or unpredictable.

“The proteus nature of the market made it difficult to predict the outcome of the investment.”

2. noun

A genus of small, marine sea hares, particularly Proteus anguineus.

“The marine biologist studied the proteus in the coral reef ecosystem.”

3. noun

A type of protein that changes its shape in response to changes in the solution, such as pH or temperature.

“The researchers studied the proteus behavior of the enzyme in the lab.”

4. verb

To change one’s shape or form, especially in a unpredictable or surprising manner.

“The chameleon proteus its skin to blend in with the surroundings.”