SUPERLUMINAL Meaning of SUPERLUMINAL in English [ ˌsu:pə'lu:mɪn(ə)l ]■ adjective Physics denoting or having a speed greater than that of light.Origin1950s: from super- + L. lumen , lumin- 'a light' + -al . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004