fortifiers

noun
UK /ˈfɔːtɪfaɪəz/
US /ˈfɔːrtəfaɪərz/

Things that make something stronger.

The farmer added fortifiers to the soil to help the plants grow.


OTHER MEANINGS

2. Substances added to food to make it healthier.

Many breakfast cereals contain fortifiers like iron and calcium.

3. People or things that give courage or confidence.

Her kind words were fortifiers during a hard week.

4. Structures built to make a place stronger against attack.

The castle's walls and towers were fortifiers against enemies.