To say that something is lifesaving is to say that it is important for someone's safety. A lifesaving operation is a surgery that is done to save a person's life.
The surgery was a lifesaving operation, and the patient is now recovering in the hospital.
The lifesaving operation was a success, and the patient is now recovering in the hospital.
noun
saving the lives of drowning persons
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He is a lifesaver in that context.
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The lifesaver bashing is a separate event.
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One lifesaver was seriously injured by the mob.
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It is a such an easy and inexpensive lifesaver to have around.
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The Wikipedia is a lifesaver for finding information on such topics.
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The Lifesaver bottle is a portable water purification device.
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It takes a lot of precautions for use, but for some patients, it's a lifesaver.
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Lifesaving is the act involving rescue, resuscitation and first aid.
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Some of you look at the market as a lifesaver for your economies.
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The Combat Lifesaver can augment the Combat Medic, as needed.