12-letter words containing c, h, o, y
- octyl phenol — a white to pink, water-insoluble, flaky substance having the formula C 1 4 H 2 2 O, used chiefly in the manufacture of commercial surface-active agents.
- ohio buckeye — See under buckeye (def 1).
- omphalomancy — Divination by means of a child's navel, to learn how many children the mother may have.
- omphaloscopy — Introversion.
- onychophagia — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- onychophoran — any small, predatory, caterpillarlike animal of the phylum Onychophora, common in tropical forests, having stubby legs ending in pincers.
- oophorectomy — the operation of removing one or both ovaries; ovariectomy.
- orchestrally — In an orchestral manner.
- orchidectomy — orchiectomy.
- ornithomancy — Divination by means of birds, their flight, etc.
- ornithoscopy — divination from the observation of birds
- osteichthyes — the class comprising the bony fishes.
- pachycarpous — having a thick pericarp
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- pericynthion — the point at which a spacecraft launched from earth into a lunar orbit is nearest the moon
- perionychium — the epidermis surrounding the base and sides of a fingernail or toenail.
- petroglyphic — relating to or having the characteristics of a petroglyph or carving made in rock
- petrophysics — the analysis of the constitution and characteristics of rocks
- phagocytoses — phagocytize.
- 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
- pharmacology — the science dealing with the preparation, uses, and especially the effects of drugs.
- phenocrystic — relating to a phenocryst
- phenotypical — the observable constitution of an organism.
- phonemically — of or relating to phonemes: a phonemic system.
- phonetically — Also, phonetical. of or relating to speech sounds, their production, or their transcription in written symbols.
- photodynamic — the science dealing with light and its effects on living organisms.
- photoglyphic — of or relating to photoglyphy
- phycologists — the branch of botany dealing with algae.
- phycoxanthin — a yellow pigment found in brown seaweeds and types of algae
- phylogenetic — the development or evolution of a particular group of organisms.
- physiognomic — the face or countenance, especially when considered as an index to the character: a fierce physiognomy.
- 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.
- play clothes — clothes that are suitable for playing in
- policyholder — the individual or firm in whose name an insurance policy is written; an insured.
- polyarchical — a form of government in which power is vested in three or more persons.
- polychaetous — of or relating to the genus Polychaeta
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
- polycythemic — relating to polycythemia
- polyhistoric — relating to a polyhistor
- polypharmacy — the use of two or more drugs together, usually to treat a single condition or disease.
- polyphenolic — relating to a polyphenol
- polyphyletic — developed from more than one ancestral type, as a group of animals.
- polyrhythmic — the simultaneous occurrence of sharply contrasting rhythms within a composition.
- polystichous — arranged in rows or series.
- polytheistic — pertaining to, characterized by, or adhering to polytheism, the doctrine that there is more than one god or many gods: Science thrived in the polytheistic culture of ancient Greece.
- posthypnotic — of or relating to the period after hypnosis.
- postsphygmic — of or relating to the pulse.
- prepsychotic — exhibiting behavior that indicates the approach of a psychotic reaction.