11-letter words containing a, t, h, l
- ophthalmist — an eye expert; an oculist
- ophthalmol. — ophthalmology
- opthamology — Misspelling of ophthalmology.
- orthoclases — Plural form of orthoclase.
- orthodontal — the branch of dentistry dealing with the prevention and correction of irregular teeth, as by means of braces.
- orthonormal — (of a system of functions) normal; normalized.
- overhastily — in such a way as to be excessively hasty or done without enough consideration
- overleather — the upper part of a shoe
- pachydactyl — with thick digits
- paleolithic — (sometimes lowercase) Anthropology. of, relating to, or characteristic of the cultures of the late Pliocene and the Pleistocene epochs, or early phase of the Stone Age, which appeared first in Africa and are marked by the steady development of stone tools and later antler and bone artifacts, engravings on bone and stone, sculpted figures, and paintings and engravings on the walls of caves and rock-shelters: usually divided into three periods (Lower Paleolithic, c2,000,000–c200,000 b.c., Middle Paleolithic, c150,000–c40,000 b.c., Upper Paleolithic, c40,000–c10,000 b.c.)
- pamphleteer — a writer or publisher of pamphlets, especially on controversial issues.
- pamphletize — to write a pamphlet.
- panel thief — a thief who secretly robs the customers in a panel house.
- pantheology — a branch of theology embracing all gods and all religions
- patch quilt — a patchwork quilt
- path pascal — Parallel extension of Pascal. Processes have shared access to data objects. Constraints on their synchronisation are specified in a path expression.
- pathologies — the science or the study of the origin, nature, and course of diseases.
- pathologist — the science or the study of the origin, nature, and course of diseases.
- pathologize — to represent (something) as a disease
- patriarchal — of or relating to a patriarch, the male head of a family, tribe, community, church, order, etc.: my father's conservative, patriarchal ways.
- patty shell — a cup-shaped shell of light, flaky pastry, for serving vegetable, fish, or meat mixtures, usually with a sauce.
- pelotherapy — the application of mud to the body for therapeutic purposes
- pentathlete — an athlete participating or specializing in the pentathlon.
- perchlorate — a salt or ester of perchloric acid, as potassium perchlorate, KClO 4 .
- peristalith — a group of stones encircling a mound, dolmen, or the like.
- perithecial — of, pertaining to, or having a perithecium
- persulphate — a sulphuric acid salt of a base peroxide
- phalanstery — the buildings occupied by a phalanx. the community itself.
- phallotoxin — any of a group of potent mycotoxins produced by certain mushroom species of the genus Amanita.
- phantomlike — an apparition or specter.
- philatelist — the collecting of stamps and other postal matter as a hobby or an investment.
- philomathic — relating to or enjoying the process of learning new facts and acquiring new knowledge
- phitsanulok — a city in central Thailand.
- photo album — bound book for photos
- phrenetical — of or relating to phrenitis
- phylacteric — of or relating to phylacteries
- phyllotaxis — phyllotaxy.
- physicalist — a doctrine associated with logical positivism and holding that every meaningful statement, other than the necessary statements of logic and mathematics, must refer directly or indirectly to observable properties of spatiotemporal things or events.
- physicality — the physical attributes of a person, especially when overdeveloped or overemphasized.
- physiolater — somebody who worships nature
- physiolatry — the worship of nature
- phytoalexin — any of a class of plant compounds that accumulate at the site of invading microorganisms and confer resistance to disease.
- pilot chart — any of a number of charts issued to mariners by the U.S. Hydrographic Office and showing meteorological, hydrographic, and navigational conditions prevailing, or likely to prevail, subsequent to the date of issue in some part of the world: issued monthly for most areas.
- pilot whale — a small, common whale, Globicephala sieboldii, of tropical and temperate seas, having a bulbous head.
- pinch pleat — a narrow pleat that is usually part of a series at the top of curtains.
- pissasphalt — a sticky semi-liquid form of bitumen that is similar to tar
- pitch plane — (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-black — extremely black or dark as pitch: a pitch-black night.
- plane chart — a chart used in plane sailing, in which the lines of latitude and longitude are straight and parallel
- planthopper — any member of a large and varied group of homopterous insects that are related to the leafhoppers and the spittlebugs but rarely damage cultivated plants.