| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| photobiotic | adjective | Requiring light to live; incapable of living without light; as, photobiotic plant cells. |
| photochromy | noun | The art or process of reproducing colors by photography. |
| photoglyphy | noun | Photoglyphic engraving. See under Photoglyphic. |
| photography | noun | The science which relates to the action of light on sensitive bodies in the production of pictures, the fixation of images, and the like., The art or process of producing pictures by this action of light. |
| photologist | noun | One who studies or expounds the laws of light. |
| photometric | adjective | Alt. of Photometrical |
| photophobia | noun | A dread or intolerance of light. |
| photophonic | adjective | Of or pertaining to photophone. |
| photorelief | noun | A printing surface in relief, obtained by photographic means and subsequent manipulations. |
| photoscopic | adjective | Of or pertaining to the photoscope or its uses. |
| photosphere | noun | A sphere of light; esp., the luminous envelope of the sun. |
| phototropic | adjective | Same as Heliotropic. |