Definitions

1. noun

A hypothetical region of space in which a star or other celestial body undergoes explosive ejection of stellar material, particularly in the context of stellar evolution.

“The discovery of the blastosphere surrounding the nearby star system has provided valuable insights into the life cycle of stars.”

2. noun

A region or sphere in which some biological or chemical process is taking place, especially in the context of cell biology or ecology.

“The blastosphere of the plant’s roots played a crucial role in its ability to absorb nutrients from the surrounding soil.”