11 letters · 15 points in Scrabble
noun the dissemination of copies of periodicals (as newspapers or magazines)
noun movement through a circuit; especially the movement of blood through the heart and blood vessels
noun (library science) the count of books that are loaned by a library over a specified period
originFrom Middle English circulacioun, from Latin circulatio. Morphologically circulate + -ion.
Etymology from Wiktionary, CC BY-SA 3.0