Definitions

1. noun

A bacteriophage, a virus that infects bacteria, or a phage protein, especially one used as a fusion tag in molecular biology.

“The researchers studied the behavior of the phage as it infected the bacterial cells.”

2. noun

A stage or phase in the life cycle of an organism, especially in the development of a phage or a similar virus.

“The team observed the phage’s progression through its various stages of growth.”