9-Letter Words Containing: ELIO

• protozoa with spherical bodies and stiff radiating pseudopods

• duplicator consisting of a gelatin plate from which ink can be taken to make a copy

• a message transmitted by means of the sun's rays

• a bright spot on the parhelic circle; caused by diffraction by ice crystals

• the belief that the world can be made better by human effort

• A faint, white halo rarely seen in the sky opposite the sun on the parhelic circle

• A device that includes a plane mirror which turns so as to keep reflecting sunlight toward a predetermined target, compensating for the sun's apparent motions in the sky. The target may be a physical object, distant from the heliostat, or a direction in space, and is almost always stationary relative to the heliostat, so the light is reflected in a fixed direction.