As nouns the difference between heliodor and heliodon
is that heliodor is a richly coloured form of golden beryl found in southwest africa while heliodon is a mechanical device, used in architecture, for demonstrating the sun's motion relative to a building.
heliodor
English
Noun
(
en noun)
A richly coloured form of golden beryl found in southwest Africa
heliodon
English
Noun
(
en noun)
A mechanical device, used in architecture, for demonstrating the sun's motion relative to a building.