Astronomy. an exceptionally luminous star whose diameter is more than 100 times that of the sun, as Betelgeuse or Antares.
[soo-per-gley-shuh l] /ˌsu pərˈgleɪ ʃəl/ adjective 1. on the surface of a glacier. 2. believed to have been formerly on the surface of a glacier: superglacial debris. superglacial /ˌsuːpəˈɡleɪsɪəl/ adjective 1. on or originating from the surface of a glacier
Trademark. 1. a brand of glue, containing a cyanoacrylate adhesive, that is quick-drying and strong. noun 1. any of various impact adhesives that quickly make an exceptionally strong bond
Trademark. 1. a brand of glue, containing a cyanoacrylate adhesive, that is quick-drying and strong.
noun, U.S. Government. 1. a high-level rank, Grade 16, 17, or 18, in the federal civil service. 2. a government employee having such a rank. adjective 3. of, relating to, or characteristic of such a rank or employee.