The greatest scientific typo in historyEsther Inglis-Arkell11/29/12 9:20am86EditInvite manuallyPromoteDismissUndismissHideGo to permalinkHave you ever heard the word "dord"? It's a scientific term for density. Kidding! No, it isn't. It's the legacy of the greatest typo in scientific history. Learn about the history of this ghost word.