heliogram
— Noun
– English
~ a message transmitted by means of the sun's rays
heliograph
— Verb
– English
~ signal by means of a mirror and the using the sun's rays
heliograph
— Noun
– English
~ an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
heliogravure
— Noun
– English
~ an intaglio print produced by gravure
heliolatry
— Noun
– English
~ the worship of the sun
heliometer
— Noun
– English
~ an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope
heliopause
— Noun
– English
~ the boundary marking the edge of the sun's influence; the boundary (roughly 100 AU from the sun) between the interplanetary medium and the interstellar medium; where the solar wind from the sun and the radiation from other stars meet
heliophila
— Noun
– English
~ any of various South African herbs and subshrubs cultivated for long showy racemes of bright blue flowers with white eyes