13-letter words containing a, c, h, r, o, i
- ornithomantic — relating to ornithomancy
- orthocephalic — having a medium or intermediate relation between the height of the skull and the breadth or length.
- orthoepically — In terms of correct pronunciation.
- orthopaedical — Pertaining to orthopaedics; characteristic of orthopaedia.
- orthosilicate — a silicate mineral
- oscillographs — Plural form of oscillograph.
- oscillography — 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.
- over-achiever — to perform, especially academically, above the potential indicated by tests of one's mental ability or aptitude.
- overachievers — Plural form of overachiever.
- overachieving — Present participle of overachieve.
- panharmonicon — a mechanical instrument that imitates orchestral sounds
- parapsychosis — an abnormal psychosis
- past historic — the simple past
- peacock chair — a wicker armchair with a high, circular back.
- perchlorinate — to combine with the maximum proportion of chlorine.
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- pharmacologic — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharmacopoeia — 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.
- philanthropic — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phlebographic — relating to phlebography or the X-ray imaging of a vein that has been injected with a dye that is visible on the image taken
- photoallergic — photosensitive.
- photoreaction — a chemical reaction that involves or requires light.
- phreatophytic — of, possessing the properties of, or relating to a phreatophyte
- physharmonica — a keyboard musical instrument fitted with free reeds, and which is an early form of harmonium
- physiographic — the science of physical geography.
- piano teacher — tutor of piano-playing
- poker machine — a fruit machine
- polychromatic — having or exhibiting a variety of colors.
- pontchartrain — Lake, a shallow extension of the Gulf of Mexico in SE Louisiana, N of New Orleans. 41 miles (66 km) long; 25 miles (40 km) wide.
- promonarchist — the principles of monarchy.
- prophetically — of or relating to a prophet: prophetic inspiration.
- psilanthropic — relating to psilanthropism
- psychographic — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- pyrotechnical — of or relating to pyrotechnics.
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- radiochemical — pertaining to or involving radiochemistry.
- reprographics — reprography.
- retail anchor — A retail anchor is a popular store whose name will attract customers to a shopping mall.
- rheologically — in a rheological manner
- rhinoscleroma — an inflammatory bacterial disease of the nose that is mostly found in Africa and Central America
- rhizocephalan — belonging to the Rhizocephala, a group of degenerate hermaphrodite crustaceans that are parasitic chiefly on crabs.
- rocking chair — a chair mounted on rockers or springs so as to permit a person to rock back and forth while sitting.
- rocking shear — a shear having a curved blade that cuts with a rocking motion.
- rose of china — China rose (def 2).
- saccharolytic — of or causing the hydrolysis of sugars.
- saratoga chip — potato chip.
- schizophrenia — Psychiatry.. Also called dementia praecox. a severe mental disorder characterized by some, but not necessarily all, of the following features: emotional blunting, intellectual deterioration, social isolation, disorganized speech and behavior, delusions, and hallucinations.