preserve against

preserve (someone or something) against (something)

To keep someone or something safe or protected from something. Many of these chemicals used to preserve our foods against decay have deleterious effects on our health. Parents are all so preoccupied with preserving their children against danger that they end up sheltering them from many of the things that make childhoods memorable.
See also: preserve
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

preserve someone or something against something

to guard or protect someone or something against something. (Stilted or old-fashioned in reference to people.) I hope that the vaccine will preserve us against influenza. There is nothing in the jam to preserve it against spoilage.
See also: preserve
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
The most recent investigation, which now features in the journal Neuron, has shown that boosting gamma oscillations can improve the connection between nerve cells, reduce inflammation, and preserve against cell death in mouse models of Alzheimer's.
When we build, let us think that we build forever.' With this precept, John Ruskin insisted in The Seven Lamps of Architecture (1849) that architectural integrity entails a regard for the future: that the buildings of the present ought to respect how generations to come will look upon them, and that they should be constructed, as far as possible, to preserve against their own deliquescence.
Your art is audible, immodest: to preserve against time.
Tuesday first half day we expect negative dynamics to preserve against background of problems in Europe.
Khamkhian has managed to preserve against encroachment about 250 acres of lush, green forest atop the mountain, the only greenery visible amid vast tapioca fields that stretch as far as the eye can see.
might preserve against the background of the beginning of auctions by FED.