The historian wrote about the Heliogabalian rituals and ceremonies.

The planets revolve around the sun heliocentrically.

The helioform pendant hung from her necklace, catching the light and sparkling like a miniature sun.

The heliocentricity of the solar system was a revolutionary concept in astronomy.

Helioflagellates are microscopic organisms that use flagella to move towards sunlight.

The helioflagellate is a type of unicellular organism that uses flagella to move towards sunlight.

The photograph was taken heliographically.

The heliographical process allows for the reproduction of images using sunlight.

The extravagant party was reminiscent of Heliogabalus.

Heliogeomagnetics is a fascinating field of study.