Used other than as an idiom: See come and into.(verb)
To inherit (money).(verb)
To be a factor in.(verb)
To enter the initial phase of; to commence.(verb)
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Use "come into" in a sentence
"Indeed, environmental exposures to dioxin and PCBs—at amounts as low as five times the average level that most of us come into contact with in our day-to-day lives—can cause the thymus to shrink as much as 80 percent."
"These antibodies, or proteins in the blood, remember the organism that caused the disease and can recognize and inactivate it when we come into contact with it again."
"Millions of T cells are “educated” in your thymus to perform specific roles—such as, say, to recognize and eradicate an infiltrating influenza-A germ or food-borne bacteria like salmonella from your body, as well as hundreds of other antigens with which your body may come into contact."