HELIOGRAPH


Meaning of HELIOGRAPH in English

I. -raf, -rȧf noun

Etymology: International Scientific Vocabulary heli- (I) + -graph

1.

a. : photoengraving 2b

b. : photograph

c. : photoheliograph

2. : an apparatus for telegraphing by means of the sun's rays thrown from a mirror — compare heliotrope 3

II. verb

: to signal by means of a heliograph

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.