Word forms: plural -savers
-saver combines with words such as 'time' and 'energy' to indicate that something prevents the thing mentioned from being wasted.
⇒ These potatoes are sold ready sorted and washed, and can prove a great time-saver
for the busy cook.
⇒ These zip-top bags are great space-savers if storage is limited.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers