| -phyllous |
having leaves of (such) a type or number. |
| phylloxera |
any of a widely distributed family of insects that feed on the leaves and roots of certain plants, esp. the grapevine. |
| phylo- |
race; type. |
| phylogeny |
the evolution or historical development of a plant or animal species or a human tribe or similar group. (Cf. ontogeny.) |
| phylum |
the principal subdivision of animals, and of some classifications of plants, according to their major shared characteristics, each subdivision containing one or more classes. [2 definitions] |
| phys. ed. |
abbreviation of "physical education." |
| physic |
a drug or medicine, esp. a purgative or strong laxative. [3 definitions] |
| physical |
of the body. [4 definitions] |
| physical anthropology |
the branch of anthropology concerned with the evolutionary development of humans, physical differences between races, and classifications. (Cf. cultural anthropology.) |
| physical chemistry |
a branch of chemistry in which physical principles and techniques are applied to the analysis of chemical properties and transformations. |
| physical comedy |
comedic performance that uses the body to express exaggerated emotional states. |
| physical dependence |
a body's adaptation to a chronically-used drug such that withdrawal of the drug results in adverse physical symptoms. |
| physical education |
instruction in sports, exercise, and the care and hygiene of the human body, esp. as a course or program in a school or college. |
| physical geography |
the branch of geography concerned with the earth's land masses, oceans, and climate, and the distribution of plant and animal species. |
| physicalism |
the doctrine or belief that the essential elements of meaningful statements are only those relating to physical properties or observations of objects or events. |
| physically |
in, with, or by means of the body. |
| physical science |
any science, such as chemistry, physics, astronomy, or geology, that deals with inanimate matter or energy. |
| physical therapy |
the treatment of disease and injury by physical and mechanical means, such as exercise, heat, ultraviolet or infrared light, hydrotherapy, or massage, rather than by drugs; physiotherapy. |
| physical tolerance |
a bodily state in which, with repeated exposure to a drug over time, a higher dose of the drug is required to achieve the same effect. |
| physician |
a licensed medical doctor, esp. one who is not a surgeon. [2 definitions] |
| physician's assistant |
one who is certified to do certain medical procedures under the supervision of a medical doctor. |