12-letter words containing t, h, i, a, c
- optical path — the path of light through a medium, having a magnitude equal to the geometric distance through the system times the index of refraction of the medium.
- ornithomancy — Divination by means of birds, their flight, etc.
- orthoclastic — (of a crystal) having cleavages at right angles to each other.
- orthognathic — straight-jawed; having the profile of the face vertical or nearly so; having a gnathic index below 98.
- orthographic — of or relating to orthography.
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- orthovanadic — relating to orthovanadates
- overemphatic — excessive or undue emphasis.
- palaeolithic — the period of the emergence of primitive man and the manufacture of unpolished chipped stone tools, about 2.5 million to 3 million years ago until about 12 000 bc
- panchromatic — sensitive to all visible colors, as a photographic film.
- pantechnicon — a furniture van; moving van.
- paraesthetic — paresthesia.
- paraphrastic — having the nature of a paraphrase.
- parchmentize — to treat (paper or the like) so that it resembles parchment.
- parity check — a method for detecting errors in data communications or within a computer system by counting the number of ones or zeros per byte or per word, including a special check bit (parity bit) to see if the value is even or odd.
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- pathetically — causing or evoking pity, sympathetic sadness, sorrow, etc.; pitiful; pitiable: a pathetic letter; a pathetic sight.
- pathogenetic — the production and development of disease.
- pathological — of or relating to pathology.
- patriarchate — the office, dignity, jurisdiction, province, or residence of an ecclesiastical patriarch.
- perichaetial — denoting the leaves in mosses that surround the archegonia and, later, the base of the sporophyte
- perichaetium — a leafy cluster (bracts) around the base of the reproductive organs of some plants, predominantly mosses
- periphrastic — circumlocutory; roundabout.
- peritrichate — (of bacteria) having flagella on the entire surface.
- petach tikva — a city in W Israel, NE of Tel Aviv.
- phagocytosis — Physiology. the ingestion of a smaller cell or cell fragment, a microorganism, or foreign particles by means of the local infolding of a cell's membrane and the protrusion of its cytoplasm around the fold until the material has been surrounded and engulfed by closure of the membrane and formation of a vacuole: characteristic of amebas and some types of white blood cells.
- phagocytotic — relating to phagocytosis
- phallocratic — relating to a male, or the beliefs assumed by such, who assumes authority over females due to his maleness
- phantasmatic — pertaining to or of the nature of a phantasm; unreal; illusory; spectral: phantasmal creatures of nightmare.
- phantasmical — pertaining to or of the nature of a phantasm; unreal; illusory; spectral: phantasmal creatures of nightmare.
- pharmaceutic — pertaining to pharmacy or pharmacists.
- pharmacolite — hydrous calcium arsenate, 2CaO⋅As 2 O 5 ⋅5H 2 O, formed by natural alteration of mineral deposits containing arsenopyrite and arsenical ores of cobalt and silver.
- phenotypical — the observable constitution of an organism.
- phonetic law — a statement of some regular pattern of sound change in a specific language, as Grimm's law or Verner's law.
- phonetically — Also, phonetical. of or relating to speech sounds, their production, or their transcription in written symbols.
- phonocamptic — possessing the property of reflecting sound or producing an echo
- phonotactics — the patterns in which the phonemes of a language may combine to form sequences.
- phosphatidic — of or relating to a phosphatide
- photoactinic — emitting radiation having the chemical effects of light and ultraviolet rays, as on a photographic film.
- photodynamic — the science dealing with light and its effects on living organisms.
- photoelastic — displaying photoelasticity; of or relating to photoelasticity
- photographic — of or relating to photography.
- photomachine — a machine that prints copies of digital photographs
- photovoltaic — of or relating to the photovoltaic effect.
- phycoxanthin — a yellow pigment found in brown seaweeds and types of algae
- phylacteries — Judaism. either of two small, black, leather cubes containing a piece of parchment inscribed with verses 4–9 of Deut. 6, 13–21 of Deut. 11, and 1–16 of Ex. 13: one is attached with straps to the left arm and the other to the forehead during weekday morning prayers by Orthodox and Conservative Jewish men.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- pi character — any special character, such as an accent or mathematical symbol, which is not normally obtained in a standard type fount