| helios |
| helios | (n) (Greek mythology) ancient god of the sun; drove his chariot across the sky each day; identified with Roman Sol |
| heliosphere | (n) the region inside the heliopause containing the sun and solar system |
| Helioscope | n. [ Helio- + -scope: cf. F. hélioscope. ] (Astron.) A telescope or instrument for viewing the sun without injury to the eyes, as through colored glasses, or with mirrors which reflect but a small portion of light. -- |
| Heliostat | n. [ Helio- + Gr. &unr_; placed, standing, fr. &unr_; to place, stand: cf. F. héliostate. ] An instrument consisting of a mirror moved by clockwork, by which a sunbeam is made apparently stationary, by being steadily directed to one spot during the whole of its diurnal period; also, a geodetic heliotrope. [ 1913 Webster ] |
| Heliosaelfe { f } [ ornith. ] | Bumblebee Hummingbird [Add to Longdo] |