Able to be contained, especially applied to viruses and similar diseases.(adjective)
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Use "containable" in a sentence
"I call containable fluids, to distinguish them from subtile fluids, such as caloric, electricity, etc., which no known bodies are believed to contain."
"How then can we be certain that Iran is rational and containable?"
"There was a lot of smoke, but for a time, despite the horrifying tragedy, it somehow seemed like a containable event."