14-letter words containing h, o, m, r, p, y
- phonochemistry — the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves
- photochemistry — the branch of chemistry that deals with the chemical action of light.
- photogrammetry — the process of making surveys and maps through the use of photographs, especially aerial photographs.
- phytochemistry — the branch of biochemistry dealing with plants and plant processes.
- piezochemistry — the study of chemical reactions at high pressures
- plethysmograph — a device for measuring and recording changes in the volume of the body or of a body part or organ.
- polymorphously — in a polymorphous manner
- primary growth — growth in vascular plants, especially an increase in length, that results from cell division and differentiation of an apical meristem.
- primary phloem — phloem derived directly from the growth of an apical meristem.
- primary school — a school usually covering the first three or four years of elementary school and sometimes kindergarten.
- pyrophotometer — a form of pyrometer that measures temperature by optical or photometric means.
- pythagoreanism — the doctrines of Pythagoras and his followers, especially the belief that the universe is the manifestation of various combinations of mathematical ratios.
- rhombenporphyr — an intermediate igneous rock embedded with rhombus-shaped crystals
- symmetrophobia — an avoidance of symmetry, esp in Japanese art and Egyptian temples
- thaumatography — a treatise or description of the wonders of the natural world
- thermophyllous — relating to deciduous plants or trees that bear leaves only during the warmer times of the year
- trachyspermous — having seeds with a rough coat.
- ubv photometry — the photometric measurement of the color index of a star, using ultraviolet, blue, and visual (yellow) filters.