a landing deck for helicopters on ships, oil platforms, etc
heliencephalitis he·li·en·ceph·a·li·tis (hē’lē-ěn-sěf’ə-lī’tĭs) n. Inflammation of the brain following sunstroke.
[hel-i-goh-land] /ˈhɛl ɪ goʊˌlænd/ noun 1. . /ˈhɛlɪɡəʊˌlænd/ noun 1. a small island in the North Sea, one of the North Frisian Islands, separated from the coast of NW Germany by the Heligoland Bight: administratively part of the German state of Schleswig-Holstein: a large island in early medieval times, now eroded to an area of […]
[hee-lee-oh] /ˈhi liˌoʊ/ noun, plural helios. Informal. 1. a heliogram. 2. a heliograph. 1. a combining form meaning “sun,” used in the formation of compound words: heliolatry. combining form 1. indicating the sun: heliocentric, heliolithic word-forming element meaning “sun,” from Greek helio-, comb. form of helios “sun” (see sol).
[hee-lee-oh-sen-trik] /ˌhi li oʊˈsɛn trɪk/ adjective, Astronomy. 1. measured or considered as being seen from the center of the sun. 2. having or representing the sun as a center: the heliocentric concept of the universe. /ˌhiːlɪəʊˈsɛntrɪk/ adjective 1. having the sun at its centre 2. measured from or in relation to the centre of the […]