9-letter words containing p, l, i, o
- nullipore — any of the coralline algae with a crustlike plant body.
- occipital — of, relating to, or situated near the occiput or the occipital bone.
- octaploid — an organism that consists of eight groups or sets of chromosomes
- octoploid — (genetics) having eight complete sets of chromosomes in a single cell.
- octupling — Present participle of octuple.
- oedipally — in an oedipal manner
- oenophile — a person who enjoys wines, usually as a connoisseur.
- oenophily — a liking for or expert knowledge of wine
- oil paint — oil color.
- oil patch — an area in which oil is produced.
- oil press — a device for extracting oil from plant material, esp. olives
- oil spill — an accidental release of oil into a body of water, as from a tanker, offshore drilling rig, or underwater pipeline, often presenting a hazard to marine life and the environment.
- oil-paper — a paper made waterproof and translucent by treatment with oil.
- oil-plant — any of several plants, as the castor-oil plant or sesame, the seeds of which yield an oil.
- oligopoly — the market condition that exists when there are few sellers, as a result of which they can greatly influence price and other market factors. Compare duopoly, monopoly (def 1).
- olympiads — Plural form of olympiad.
- omphaloid — resembling or similar to the navel
- opalizing — Present participle of opalize.
- open-line — (of a radio or TV show) maintaining open telephone lines to permit listeners or viewers to phone a program with comments, questions, requests, etc.; call-in.
- ophiolite — an assemblage of mafic igneous rocks representing remnants of former oceanic crust.
- ophiology — the branch of herpetology dealing with snakes.
- oppilated — Simple past tense and past participle of oppilate.
- opthalmic — Misspelling of ophthalmic.
- optically — of, relating to, or applying optics or the principles of optics.
- optimally — optimum (def 3).
- out-pupil — a student sent to a different school than the one he or she would normally attend
- overplaid — a plaid pattern superimposed on another plaid
- overspill — to spill over.
- oxyphilic — acidophilic.
- pactional — relating to an agreement or a bargain
- paesiello — Giovanni [Italian jaw-vahn-nee] /Italian dʒɔˈvɑn ni/ (Show IPA), Paisiello, Giovanni.
- paisiello — Giovanni [jaw-vahn-nee] /dʒɔˈvɑn ni/ (Show IPA), 1741–1816, Italian composer.
- paleolith — a paleolithic stone implement.
- paleozoic — noting or pertaining to an era occurring between 570 million and 230 million years ago, characterized by the advent of fish, insects, and reptiles.
- palillogy — the repetition of a phrase or word
- palmation — a palmate state or formation.
- palpation — to examine by touch, especially for the purpose of diagnosing disease or illness.
- panlogism — the doctrine that the universe is a realization or act of the logos.
- papilloma — a benign tumor of the skin or mucous membrane consisting of hypertrophied epithelial tissue, as a wart.
- papillose — full of papillae.
- papillote — a decorative curled paper placed over the end of the bone of a cutlet or chop.
- parabolic — of, relating to, or involving a parable.
- paralogia — incoherent speech or thinking
- parboiled — to boil partially or for a short time; precook.
- parhelion — a bright circular spot on a solar halo; a mock sun: usually one of two or more such spots seen on opposite sides of the sun, and often accompanied by additional luminous arcs and bands.
- parochial — of, relating to, or financially supported by one or more church parishes: parochial churches in Great Britain.
- parodical — having or of the nature of a parody.
- parvoline — any of various isomeric ptomaines found in liquid derived from decaying animal matter or bituminous coals
- passional — of, relating to, or marked by passion.
- patchouli — a plant, Pogostemon cablin, of tropical Asia, that yields a fragrant oil (patchouli oil) used in the manufacture of perfumes.