helio-, heli- +

Converting energy from the sun to electricity; that is, by means of photovoltaics (solar cells).

A communication transmitted on a heliograph (an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays on and off or a signal by means of a mirror and the using the sun's rays).

1. An instrument that reflects sunlight to a remote station; used especially in signaling and surveying.
2. Name given to an engraving obtained by a process in which a specially prepared plate is acted on chemically by exposure to light.
3. An apparatus for taking photographs of the sun.
4. An instrument for measuring the intensity of sunlight.

1. A reference to an apparatus that takes photographs of the sun.
2. Relating to an instrument that measures the intensity of sunlight.

1. The use of a signaling device that uses flashes of sunlight.

Two mirrors reflect sunlight on a distant point through a shutter so that messages may be transmitted in telegraphic code.

2. A process where an instrument records the amount and duration of sunshine, often on a strip of blueprint paper.

The process of photographic engraving or the process of obtaining pictures, as on chemically prepared paper, from photographic negatives, by exposure to light.

Like, or similar to, the sun.

Anyone who worships the sun.

Worshiping, or an excessive devotion to, the sun.

1. A reference to a culture, or society, characterized by the worship of the sun and of monuments or temples using huge stones.
2. Characterized by megaliths and sun-worship.

1. A description of a culture, or society, characterized by worship of the sun and the construction of monuments or temples using huge stones.
2. A civilization characterized by megaliths and sun-worship.

The study of, or characterized by, the astronomical features of the sun.

Divination by observing and interpreting the sun.

An uncontrollable craving, or desire, for the sun; often expressed by those who spend an excessive amount of time "sun bathing".

An instrument devised originally for measuring the diameter of the sun; now employed for delicate measurements of the distance and relative direction of two stars too far apart to be easily measured in the field of view of an ordinary telescope.