5 is the 'coefficient' of 'y' in the term 5'y'.
the metal's 'coefficient' of expansion
a 'coefficient' of friction
(..) with my name on it? Leonard, don't take this the wrong way, but the day you win a Nobel Prize... ...is the day I begin my research on the drag coefficient of tassels on flying carpets. Ha, ha, ha. The only thing missing from that insult was your mama. I got one. Hey, Leonard, your mama's (..)2008 TvShow: The Big Bang Theory Title: The Cooper-Hofstadter Polarization Season: 1 Episode 9