12-letter words containing p, a, s, o
- nonpasserine — (of a bird) not belonging or relating to the Passeriformes
- nonphosphate — lacking or absent of a phosphate or phosphate compound
- nonphysician — a person who is not a physician
- nonspherical — not spherical
- nonspiritual — Not spiritual.
- normed space — any vector space on which a norm is defined.
- nosey parker — a persistently nosy, prying person; busybody.
- np-hilarious — (humour) An algorithm whose complexity is a joke, either literally, as in BogoSort, or metaphorically.
- nucleocapsid — the nucleic acid core and surrounding capsid of a virus; the basic viral structure.
- obstreperate — to be extremely noisy or to create a resounding din
- octapeptides — Plural form of octapeptide.
- octastrophic — having or containing eight verses or strophes
- octopetalous — containing or consisting of eight petals
- octosepalous — having or consisting of eight sepals
- oesophagitis — Alternative spelling of esophagitis.
- office space — part of a building for business use
- offset paper — paper used in a printing method in which the impression is made onto an intermediate surface, such as a rubber blanket, which transfers it to the paper
- oilseed rape — Oilseed rape is a plant with yellow flowers which is grown as a crop. Its seeds are crushed to make cooking oil.
- old prussian — a Baltic language extinct since the 17th century. Abbreviation: OPruss.
- oligophagous — (especially of insects) eating only a few types of food.
- oligospermia — (medicine) Low volume of semen.
- omphaloscopy — Introversion.
- on one's pat — alone; on one's own
- on sb's part — If you talk about a feeling or action on someone's part, you are referring to something that they feel or do.
- on shipboard — on board a ship
- onion-shaped — bulb-shaped; shaped like an onion
- opalescently — In an opalescent manner.
- open slather — to spread or apply thickly: to slather butter on toast.
- opera singer — a professional singer of opera
- operationism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
- operatorless — Without an operator (person who operates); fully automatic.
- operatorship — (in the oil and gas industries) the right to operate a well, field, or other oil source.
- ophiolatrous — of, relating to, or practising snake-worshipping
- ophiophagous — eating snakes.
- ophthalmitis — ophthalmia.
- opinionators — Plural form of opinionator.
- opisthograph — a manuscript, parchment, or book having writing on both sides of the leaves.
- opposability — capable of being placed opposite to something else: the opposable thumb of primates.
- oppositional — the action of opposing, resisting, or combating.
- oppressional — Exhibiting or relating to oppression.
- opsonisation — Alternative form of opsonization.
- opsonization — to increase the susceptibility of (bacteria) to ingestion by phagocytes.
- 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.
- optical disc — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- optical disk — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- optimisation — Alternative spelling of optimization.
- optimistical — disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
- optoacoustic — relating to the relationship between light and sound
- optoisolator — A device that transmits a signal optically between two isolated electronic circuits.
- oropharynxes — Plural form of oropharynx.