English-Thai Dictionary
heliostat
N เครื่องมือ สะท้อนแสง ดวงอาทิตย์
Webster's 1828 Dictionary
HELIOSTATE
n.[Gr. the sun. ] An instrument by which a sunbeam may be steadily directed to one spot.
Webster's 1913 Dictionary
HELIOSTAT
He "li *o *stat, n. Etym: [Helio- + Gr. héliostate.]
Defn: 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.
New American Oxford Dictionary
heliostat
he li o stat |ˈhēlēəˌstat ˈhiliəstæt | ▶noun an apparatus containing a movable or driven mirror, used to reflect sunlight in a fixed direction. See also coelostat.
Oxford Dictionary
heliostat
heliostat |ˈhiːlɪə (ʊ )stat | ▶noun an apparatus containing a movable mirror, used to reflect sunlight in a fixed direction.
Duden Dictionary
Heliostat
He lio s tat , He lio stat Substantiv, maskulin Astronomie , der |Heliost a t |der Heliostat; Genitiv: des Heliostat [e ]s und Heliostaten, Heliostaten zu griechisch statós = gestellt, stehend Instrument zur Beobachtung der Sonne, das dem Sonnenlicht stets die gleiche Richtung gibt
The Wordsmith Dictionary