10-letter words containing p, h, o
- phototrope — a type of robot that either seeks or flees from sources of bright light
- phototroph — any organism that uses light as its principal source of energy.
- phototropy — an alteration in the colour of certain substances as a result of being exposed to light of different wavelengths
- phrenology — a psychological theory or analytical method based on the belief that certain mental faculties and character traits are indicated by the configurations of the skull.
- phycobilin — any of a class of red or blue-green pigments found in the red algae and cyanobacteria
- phycobiont — the algae component of a lichen.
- phylloclad — cladophyll
- phyllodium — phyllode.
- phyllotaxy — the arrangement of leaves on a stem or axis.
- phylloxera — any of several plant lice of the genus Phylloxera, especially P. vitifoliae (grape phylloxera) which attacks the leaves and roots of grapevines.
- phylogenic — the development or evolution of a particular group of organisms.
- physiocrat — one of a school of political economists who followed Quesnay in holding that an inherent natural order properly governed society, regarding land as the basis of wealth and taxation, and advocating a laissez-faire economy.
- physiology — the branch of biology dealing with the functions and activities of living organisms and their parts, including all physical and chemical processes.
- physiotype — the set of physical features that make a person or organism different from others.
- phytogenic — of plant origin.
- phytoplasm — protoplasm of a plant or plants.
- phytotoxic — of or relating to phytotoxin.
- phytotoxin — any toxin, as ricin or crotin, produced by a plant.
- pichiciago — any of several small armadillos of the genera Chalmyphorus and Burmeisteria, of southern South America.
- pichiciego — any of several small armadillos of the genera Chalmyphorus and Burmeisteria, of southern South America.
- pick holes — If you pick holes in an argument or theory, you find weak points in it so that it is no longer valid.
- pictograph — pictogram
- pigeonhole — one of a series of small, open compartments, as in a desk, cabinet, or the like, used for filing or sorting papers, letters, etc.
- pileorhiza — a calyptra
- pilot fish — a small, marine fish, Naucrates ductor, often swimming with sharks.
- pilot-fish — a small, marine fish, Naucrates ductor, often swimming with sharks.
- pilothouse — an enclosed structure on the deck of a ship from which it can be navigated.
- pina cloth — a fine, sheer fabric of pineapple-leaf fiber, used especially for lingerie.
- pinchpoint — a traffic-calming measure in which the road narrows to one lane, with a sign indicating which oncoming driver should give way
- pincushion — a small cushion into which pins are stuck until needed.
- pious hope — a wish or desire that is unlikely to be fulfilled
- piping hot — pipes collectively; a system or network of pipes.
- pitch cone — (in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.
- pitch into — to erect or set up (a tent, camp, or the like).
- pitch shot — a shot in which the ball is hit high into the air and with backspin to ensure little roll upon landing, used in approaching the green.
- pitchforks — a large, long-handled fork for manually lifting and pitching hay, stalks of grain, etc.
- pitchstone — a glassy volcanic rock having a resinous luster and resembling hardened pitch.
- pitchwoman — a female pitchman
- pixie hood — a hood that comes to a point
- planograph — (formerly) to print from a flat surface.
- plate shop — a shop for cold-forming metal plates.
- play havoc — to cause a great deal of damage, distress, or confusion (to)
- play hooky — play truant, be absent from school
- play house — to pretend in child's play to be grown-up people with the customary household duties
- playschool — preschool, nursery school
- pleochroic — (of a biaxial crystal) characterized by pleochroism.
- plerophory — the presence of total assurance regarding a religious doctrine
- ploughable — able to be ploughed
- ploughgate — a measurement of ploughable land
- ploughhead — the draught iron of a plough