| HOLOPHOTES | • holophotes n. Plural of holophote. • HOLOPHOTE n. an apparatus by which all the light from a lighthouse is thrown in the required direction. |
| MOTHPROOFS | • mothproofs v. Third-person singular simple present indicative form of mothproof. • MOTHPROOF v. to proof against moths. |
| OCTOTHORPS | • octothorps n. Plural of octothorp. • OCTOTHORP n. the symbol # on a telephone or keyboard (hash mark, pound sign, number sign). |
| OOPHORITIS | • oophoritis n. (Pathology) inflammation of the ovaries. • OOPHORITIS n. inflammation of the ovaries. |
| OPTOPHONES | • optophones n. Plural of optophone. • OPTOPHONE n. a device transforming light into sound. |
| ORTHOSCOPE | • orthoscope n. An instrument for examining the interior of an eye. • orthoscope n. An instrument for drawing projections of a skull. • ORTHOSCOPE n. a nineteenth century instrument for viewing the fundus of the eye through a layer of water, which eliminates distortion caused by the cornea. |
| PHOTOBLOGS | • photoblogs n. Plural of photoblog. • PHOTOBLOG v. to keep a photoblog. |
| PHOTOBOMBS | • photobombs n. Plural of photobomb. • photobombs v. Third-person singular simple present indicative form of photobomb. • PHOTOBOMB v. to place oneself in the background of a photograph deliberately and without the knowledge of the photographer or subject. |
| PHOTOSHOOT | • photoshoot n. (Photography) A session in which a photographer takes a number of photographs of a person or group of people. • photo␣shoot n. A session in which a photographer takes shots of an individual or group. • PHOTOSHOOT n. a session in which a photographer takes pictures of a celebrity, etc. |
| PHOTOSHOPS | • photoshops v. Third-person singular simple present indicative form of photoshop. • PHOTOSHOP v. to manipulate a digital image using editing software. |
| PHOTOTONUS | • phototonus n. Sensitivity to, or irritation caused by, light. • PHOTOTONUS n. the sensitivity of a living organism to light. |
| POORMOUTHS | • poormouths v. Third-person singular simple present indicative form of poormouth. • POORMOUTH v. to complain about being poor. |