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phyllo- leaf.
phyllome a leaf or similarly functioning structure of a plant.
phyllotaxis phyllotaxy.
phyllotaxy the arrangement of plant leaves along a stem, or the principles governing this arrangement. [2 definitions]
-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 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.