When we're being mindful, we're paying attention to the present moment, deliberately and non-judgementally. When we're meditating, we're being mindful of a specific object, such as the sensation of the breath at the tip of our nostrils, for a sustained period of time.
David Michie, Mindfulness Is Better Than Chocolate: A Practical Guide to Enhanced Focus and Lasting Happiness in a World of Distractions
meditation