12-letter words containing c, h, i, s
- nonspherical — not spherical
- nucleophiles — Plural form of nucleophile.
- ochlocracies — Plural form of ochlocracy.
- octastichous — relating to a particular coiled distribution of leaves on the stem that is characterized by having eight leaves per coil on the stem
- octastrophic — having or containing eight verses or strophes
- office hours — hours when a business is open
- oligochaetes — Plural form of oligochaete.
- on the stick — alert, efficient, etc.
- opisthotonic — of or relating to opisthotonos
- optic chiasm — a site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.
- orchestrions — Plural form of orchestrion.
- orchidaceous — belonging to the plant family Orchidaceae.
- oreopithecus — a genus of fossil primate from the Miocene coal deposits of Italy, formerly considered to be a possible hominid.
- orichalceous — relating to or resembling orichalc
- ornithoscopy — divination from the observation of birds
- ortho-cousin — parallel cousin.
- orthoclastic — (of a crystal) having cleavages at right angles to each other.
- orthocousins — the children of two brothers or two sisters
- orthodontics — the branch of dentistry dealing with the prevention and correction of irregular teeth, as by means of braces.
- orthodromics — the act or art of sailing on a great circle
- 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.
- orthosilicic — (chemistry) Of, relating to or derived from orthosilicic acid.
- oscillograph — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- osteichthyes — the class comprising the bony fishes.
- ostrich fern — a tall North American fern, Matteuccia struthiopteris, with large mature leaves that resemble ostrich plumes, a popular landscaping plant whose curled new leaves, called fiddleheads, are eaten as a vegetable.
- outpouchings — Plural form of outpouching.
- packinghouse — a building where foodstuffs are packed
- parachronism — a chronological error in which a person, event, etc., is assigned a date later than the actual one.
- paraesthetic — paresthesia.
- paraphrastic — having the nature of a paraphrase.
- parapsychism — the experience of mental phenomena that are beyond the scope of normal physical explanation
- parish clerk — an official designated to carry out various duties, either for a church parish or a parish council
- parochialise — to make parochial.
- parochialism — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- perichoresis — the relationship between or interlinking of the three Persons of the Trinity (Father, Son, and Holy Spirit)
- periphrastic — circumlocutory; roundabout.
- peristrephic — that turns around or revolves
- peritrichous — (of bacteria) having a uniform distribution of flagella over the body surface.
- persulphuric — denoting a type of acid
- petrochemist — someone who studies petrochemistry or works in the petrochemical industry
- petrophysics — the analysis of the constitution and characteristics of rocks
- 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.
- 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.
- phenocrystic — relating to a phenocryst
- phonesthemic — (of a speech sound) shared by a set of echoic or symbolic words, as the sn- of sneer, snarl, snatch, snide, snitch, snoop, etc.
- phonotactics — the patterns in which the phonemes of a language may combine to form sequences.
- phosphatidic — of or relating to a phosphatide
- photoelastic — displaying photoelasticity; of or relating to photoelasticity