14-letter words containing c, h, a, o
- orchard oriole — a North American oriole, Icterus spurius, the male of which is chestnut and black.
- orchestrations — Plural form of orchestration.
- organochlorine — Any of a large group of pesticides and other synthetic organic compounds with chlorinated aromatic molecules.
- ornithischians — Plural form of ornithischian.
- ornithological — the branch of zoology that deals with birds.
- orobanchaceous — belonging to the Orobanchaceae, the broomrape family of plants.
- orphan process — (operating system) A Unix process whose original parent has terminated and which has become a child of "init(1)". Compare zombie.
- orphans' court — a probate court in certain U.S. states.
- orthochromatic — representing correctly the relations of colors as found in a subject; isochromatic.
- orthographical — Of, or relating to orthography; spelled correctly.
- orthomolecular — being or pertaining to the treatment of disease by increasing, decreasing, or otherwise controlling the intake of natural substances, especially vitamins. Compare megavitamin (def 1).
- oscillographic — Of or pertaining to an oscillograph.
- osteoarthritic — Affected with osteoarthritis.
- osteochondroma — (medicine) A benign tumor consisting of bone or cartilage.
- outside chance — a slight chance or likelihood
- pachydermatous — of, relating to, or characteristic of pachyderms.
- paddock-basher — a vehicle suited to driving on rough terrain
- palaeanthropic — relating to or denoting the earliest variety of man
- paleencephalon — (no longer in technical use) the more primitive part of the brain in the evolutionary development of animals, including all parts except the cerebral cortex and its related structures.
- paleoanthropic — pertaining to prehistoric humans.
- panidiomorphic — (of igneous rocks) having well-developed crystals
- parapsychology — the branch of psychology that deals with the investigation of purportedly psychic phenomena, as clairvoyance, extrasensory perception, telepathy, and the like.
- parchment worm — any of several polychaete worms of the genus Chaetopterus that secrete and live in a U -shaped, parchmentlike tube.
- parenchymatous — Botany. the fundamental tissue of plants, composed of thin-walled cells able to divide.
- parish council — local administrative body
- parish records — historical documents of a district
- part of speech — any of the classes into which words in some languages, as Latin and English, have traditionally been divided on the basis of their meaning, form, or syntactic function, as, in English, noun, pronoun, verb, adverb, adjective, preposition, conjunction, and interjection.
- patch together — assemble roughly
- pathologically — of or relating to pathology.
- permanent echo — a radar signal reflected to a radar station on the ground by a building or other fixed object.
- personal chair — a professorship awarded in recognition of academic achievement
- petrochemicals — substances, such as acetone or ethanol, obtained from petroleum or natural gas
- phallic symbol — any object, as a cigar or skyscraper, that may broadly resemble or represent the penis, especially such an object that symbolizes power, as an automobile.
- phallocentrism — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- phantasmagoric — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- pharmacologist — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharmacopoeial — a book published usually under the jurisdiction of the government and containing a list of drugs, their formulas, methods for making medicinal preparations, requirements and tests for their strength and purity, and other related information.
- pharmacopoeian — an individual who has expert knowledge of a pharmacopoeia
- pharmacopolist — a person who sells pharmaceutical products
- phase velocity — the velocity with which a simple harmonic wave is propagated, equal to the wavelength divided by the period of vibration.
- phenologically — in a phenological manner
- phenotypically — the observable constitution of an organism.
- phenylcarbinol — benzyl alcohol.
- phosphate rock — phosphorite.
- photocatalysis — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photocatalytic — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photoduplicate — photocopy.
- photographical — of or relating to photography.
- photolytically — in a photolytic manner, by photolytic means
- photorealistic — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.