The process of preserving food by heat processing in a sealed vessel (a sealed jar or can).(noun)
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Use "canning" in a sentence
"Of course the thousands living in the cities having no garden can not do this and are therefore dependent on the canning factory for their fresh vegetables, and here is where my topic comes in, _the growing of vegetables for canning_."
"Between recession and home-cooking renaissance, canning is making a comeback."
"Have been enjoying your pictures and have come away with alot of ideas - now just the time to sew, maybe after all the canning is done."