| HELIOTROPY | • heliotropy n. Heliotropism. • HELIOTROPY n. the tendency of stems and leaves to bend towards the sun. |
| HOLOPHYTIC | • holophytic adj. (Biology) That can obtain nutrition without the ingestion of food. • HOLOPHYTIC adj. obtaining food by photosynthesis. |
| HYPNOLOGIC | • hypnologic adj. Relating to hypnology. • HYPNOLOGIC adj. relating to hypnology, the study of sleep or hypnosis, also HYPNOLOGICAL. |
| HYPOPLOIDS | • hypoploids n. Plural of hypoploid. • HYPOPLOID n. a chromosome number a few below the normal diploid number. |
| HYPOPLOIDY | • hypoploidy n. The condition of being hypoploid. • HYPOPLOIDY n. the state of being hypoploid, having a chromosome number a few below the normal diploid number. |
| MYOPHILOUS | • MYOPHILOUS adj. pollinated by flies, also MYIOPHILOUS. |
| OLIGOPHAGY | • oligophagy n. Feeding on few specific types of food (e.g. a single plant genus or family). • OLIGOPHAGY n. the state of being oligophagous, eating only a few specific kinds of food. |
| OPHIOLATRY | • ophiolatry n. Snake worship. • OPHIOLATRY n. worship of snakes. |
| PHILOSOPHY | • philosophy n. (Uncountable, originally) The love of wisdom. • philosophy n. (Uncountable) An academic discipline that seeks truth through reasoning rather than empiricism. • philosophy n. (Countable) A comprehensive system of belief. |
| PHOTOLYSIS | • photolysis n. (Chemistry) Any chemical reaction in which a compound is decomposed after absorbing a photon. • PHOTOLYSIS n. decomposition or dissociation of molecules by the action of light; an instance of this. |
| PHOTOLYTIC | • photolytic adj. Of, or relating to photolysis. • PHOTOLYTIC adj. relating to photolysis. |
| PHOTOPHILY | • PHOTOPHILY n. the state of being photophilic, light-loving, turning towards the light. |
| PHYSIOLOGY | • physiology n. A branch of biology that deals with the functions and activities of life or of living matter (as organs… • physiology n. (Obsolete) The study and description of natural objects; natural science. • PHYSIOLOGY n. a branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved. |
| PODOPHYLIN | • PODOPHYLIN n. a cathartic resin obtained from the rhizomes of the Podophyllum genus, also PODOPHYLLIN. |
| PODOPHYLLI | • PODOPHYLLUM n. the dried rootlet and rhizome of the mayapple, used as a caustic. |
| POLYCHROIC | • polychroic adj. Having many colours. • POLYCHROIC adj. displaying different colours when seen from different directions, also PLEOCHROIC. |
| POLYHISTOR | • polyhistor n. Someone gifted or learned to a great extent or in multiple disciplines; a great scholar. • POLYHISTOR n. a person of great and wide learning, also POLYHISTORIAN. |
| POLYPHONIC | • polyphonic adj. Of or relating to polyphony. • polyphonic adj. (Music) having two or more independent but harmonic melodies; contrapuntal. • polyphonic adj. (Of an electronic device) able to play more than one musical note at the same time. |
| XYLOPHONIC | • xylophonic adj. Of or pertaining to a xylophone. • XYLOPHONIC adj. relating to a xylophone. |