Refineries and power stations produce secondary energy that is easier to store and transport than raw primary resources.

Access to quality secondary education significantly increases young people's chances of obtaining meaningful employment or pursuing higher studies.

The clinic reported a rise in cases of secondary immunodeficiency among patients undergoing long-term corticosteroid therapy.

During xylem development, the secondary cell wall thickens with lignin to provide structural support.

Secondary cell walls provide structural support and affect the transport of water and nutrients in plant stems.

In a pond ecosystem, a secondary consumer like a frog eats primary consumers such as insects, demonstrating that it eats what is below it in the food chain.

Writers often retreat into secondary worlds to experiment with morality and culture.

The author spent years building a secondary world with its own history, languages, and ecology.

The secondary port is located on the east side of the city.

The surgeon chose to allow the small facial wound to heal by secondary intention to reduce scarring.