Definition of "that is" []

• In other words; that is to say. Used to introduce a clarification or explanation (adverb)

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• "Discharges into the temple usually occur on the side of the dominant hand, although that is not an absolute."
• "In countless priceless miniscenes John Hughes concocts a human body comedy that is hilarious, poignant, relentless, indelible."
• "Here I am, sitting with my wife, preparing to hear an actor read a story that is loosely based on a period of my life hallmarked by…him."