| MICROSPOROPHYLL | • microsporophyll n. A leaflike organ that bears one or more microsporangia (contrast megasporophyll or macrosporophyll). • MICROSPOROPHYLL n. a specialised leaf bearing or subtending one or more microsporangia. | 
| MORPHOPHONOLOGY | • morphophonology n. A branch of linguistics concerned with phonemes, and the phonological representation of morphemes. • MORPHOPHONOLOGY n. the study of the phonemic shape and the phonological representation of a language's morphemes. | 
| OPHTHALMOPHOBIA | • OPHTHALMOPHOBIA n. a morbid fear of being stared at. | 
| OPHTHALMOSCOPE | • ophthalmoscope n. (Ophthalmology) An instrument for examining the interior of the eye (that is, for ophthalmoscopy). • OPHTHALMOSCOPE n. an instrument for viewing the interior of the eye. | 
| OPHTHALMOSCOPES | • ophthalmoscopes n. Plural of ophthalmoscope. • OPHTHALMOSCOPE n. an instrument for viewing the interior of the eye. | 
| OPHTHALMOSCOPIC | • ophthalmoscopic adj. Of, pertaining to or using an ophthalmoscope. • OPHTHALMOSCOPIC adj. relating to ophthalmoscope. | 
| OPHTHALMOSCOPY | • ophthalmoscopy n. Examination of the eye with an ophthalmoscope. • ophthalmoscopy n. The design, construction and use of ophthalmoscopes. • OPHTHALMOSCOPY n. an examination by use of an ophthalmoscope. | 
| PHOTOPOLYMER | • photopolymer n. (Chemistry) Any polymer that reacts to light with a physical or chemical change, used especially for teeth fillings. • PHOTOPOLYMER n. a photosensitive plastic used esp. in the manufacture of printing plates. | 
| PHOTOPOLYMERS | • photopolymers n. Plural of photopolymer. • PHOTOPOLYMER n. a photosensitive plastic used esp. in the manufacture of printing plates. | 
| PLEOMORPHOUS | • pleomorphous adj. Having or passing through many different forms. • PLEOMORPHOUS adj. occurring in several different forms, also PLEOMORPHIC. | 
| PODOPHTHALMOUS | • podophthalmous adj. (Zoology) Having the eyes on movable footstalks, or pedicels. • podophthalmous adj. (Zoology) Of or relating to the Podophthalmia. • PODOPHTHALMOUS adj. having eyes on stalks, like some crabs. | 
| POLYMORPHOUS | • polymorphous adj. Having, or assuming, a variety of forms, characters, or styles. • polymorphous adj. (Biology) Having, or occurring in, several distinct forms. • polymorphous adj. (Chemistry) Crystallizing in two or more different forms; polymorphic. | 
| POLYMORPHOUSLY | • polymorphously adv. In a polymorphous manner. • POLYMORPHOUS adv. occurring in several forms. | 
| POMPHOLYGOUS | • POMPHOLYGOUS adj. of or like a pompholyx, a vesicular eruption or eczema chiefly on the palms and soles. | 
| PROTOPHLOEM | • protophloem n. The form of phloem that is initially formed, composed of narrow, thin-walled cells. • PROTOPHLOEM n. the first-formed phloem that develops from procambium, usually associated with a region of rapid growth. | 
| PROTOPHLOEMS | • protophloems n. Plural of protophloem. • PROTOPHLOEM n. the first-formed phloem that develops from procambium, usually associated with a region of rapid growth. |