12-letter words containing l, i, a, t, r
- orbital road — a highway that circles a metropolitan area; ring road
- oregon trail — a route used during the U.S. westward migrations, especially in the period from 1840 to 1860, starting in Missouri and ending in Oregon. About 2000 miles (3200 km) long.
- organoleptic — perceived by a sense organ.
- oriental rug — a rug or carpet woven usually in Asia and characterized by hand-knotted pile.
- ornithogalum — any plant of the genus Ornithogalum
- orthoclastic — (of a crystal) having cleavages at right angles to each other.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- over-inflate — to distend; swell or puff out; dilate: The king cobra inflates its hood.
- over-reliant — having or showing dependence: reliant on money from home.
- overcritical — excessively critical; hypercritical.
- overdelicate — extremely or excessively delicate: an overdelicate digestive system.
- overliterary — excessively literary
- ovolactarian — lacto-ovo-vegetarian.
- pain control — methods for the relief and management of pain
- paint roller — a roller of absorbent material, mounted on a handle, that is rolled in a trough of paint and then rolled over a flat surface to be painted.
- palindromist — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- panty girdle — women's control pants
- paralation c — Paralation embedded in C. Under development.
- paralyzation — to affect with paralysis.
- paramilitary — noting or pertaining to an organization operating as, in place of, or as a supplement to a regular military force: a paramilitary police unit.
- paranthelion — a bright spot in the sky caused by refraction and occurring at an angular distance from the sun of between 90° and 140°
- parasitology — the branch of biology dealing with parasites and the effects of parasitism.
- parietal eye — Zoology. a median outgrowth of the diencephalon anterior to the pineal apparatus, having visual adaptations in many anamniotes and lizards.
- parma violet — a variety of the sweet violet, Viola odorata, that is the source of an essential oil used in perfumery.
- paroccipital — of or relating to the part of the skull next to the mastoid process; paramastoid
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- parrot tulip — a variety of the cultivated tulip Tulipa gesnerana, having variously colored, often double flowers with fringed petals.
- partial tone — one of the pure tones forming a part of a complex tone.
- partializing — to bias.
- participable — capable of being shared.
- particolored — having different colors in different areas or patches; variegated: a parti-colored dress.
- particularly — in a particular or to an exceptional degree; especially: He read it with particularly great interest.
- particulates — very small particles of a substance, esp those that are produced when fuel is burned
- parting line — the line at which two closed dies or two halves of a mold meet.
- party animal — person who frequents drinking parties
- parvifoliate — (of plants) having small leaves in comparison with the size of the stem
- patrilateral — related through the father.
- patrilineage — lineal descent traced through the male line.
- patroclinous — inheritance in which the traits of the offspring are derived primarily from the paternal parent (opposed to matrocliny).
- pearl millet — a tall grass, Pennisetum americanum (or P. glaucum), cultivated in Africa, Asia, and the southern U.S. for its edible seeds and as a forage plant.
- pearly white — white and lustrous as a pearl.
- pectoral fin — (in fishes) either of a pair of fins usually situated behind the head, one on each side, and corresponding to the forelimbs of higher vertebrates.
- peltier heat — the heat gained or lost at a junction of a thermocouple due to the Peltier effect.
- perceptional — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- perenniality — lasting for an indefinitely long time; enduring: her perennial beauty.
- perichaetial — denoting the leaves in mosses that surround the archegonia and, later, the base of the sporophyte
- perimetrical — the border or outer boundary of a two-dimensional figure.
- perinatology — a field of medicine focusing on problems emerging during the perinatal period.
- peritoneally — through the peritoneum
- permeability — the property or state of being permeable.