10-letter words containing s, o, p, a
- prison van — vehicle to transfer prisoners
- proairesis — the power of considered decision-making
- procacious — insolent
- processual — a systematic series of actions directed to some end: to devise a process for homogenizing milk.
- profascist — a person who believes in or sympathizes with fascism.
- propagates — to cause (an organism) to multiply by any process of natural reproduction from the parent stock.
- proplastid — a plant cell organelle that a plastid develops from
- proposable — to offer or suggest (a matter, subject, case, etc.) for consideration, acceptance, or action: to propose a new method.
- prosaicism — prosaic character or style.
- prose edda — either of two old Icelandic literary works, one a collection of poems on mythical and religious subjects (or) erroneously attributed to Saemund Sigfusson (c1055–1133), the other a collection of ancient Scandinavian myths and legends, rules and theories of versification, poems, etc. (or) compiled and written in part by Snorri Sturluson (1179–1241).
- proseminar — a course conducted in the manner of a seminar for graduate students but often open to advanced undergraduates.
- proserpina — Persephone.
- proslavery — favoring slavery.
- prostatism — symptoms of prostate disorder, especially obstructed urination, arising from benign enlargement or chronic disease of the prostate gland.
- prostrated — to cast (oneself) face down on the ground in humility, submission, or adoration.
- protagoras — c480–c421 b.c, Greek Sophist philosopher.
- proteanism — readily assuming different forms or characters; extremely variable.
- proteinase — any of a group of enzymes that are capable of hydrolyzing proteins.
- protestant — any Western Christian who is not an adherent of a Catholic, Anglican, or Eastern Church.
- prothallus — prothallium.
- protistans — any of various one-celled organisms, classified in the kingdom Protista, that are either free-living or aggregated into simple colonies and that have diverse reproductive and nutritional modes, including the protozoans, eukaryotic algae, and slime molds: some classification schemes also include the fungi and the more primitive bacteria and blue-green algae or may distribute the organisms between the kingdoms Plantae and Animalia according to dominant characteristics.
- protoplasm — Biology. (no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus.
- protoplast — Biology. the contents of a cell within the cell membrane, considered as a fundamental entity. the primordial living unit or cell.
- psalmodize — to sing psalms
- psammosere — a sere originating on sand or sandy soil.
- pseudimago — (of insects) a form similar to the adult, but which is not a true adult
- pseudoacid — a compound that is not an acid but which undergoes certain typical reactions of an acid
- pseudoalum — any of a class of alums in which the usual monovalent metal of a true alum is replaced by a bivalent metal
- pseudocarp — accessory fruit.
- pseudosalt — a compound whose formula is that of a salt, but that does not ionize in solution
- psychogram — a message believed to be written by a spirit or authored by psychical means
- psychopath — a person with a psychopathic personality, which manifests as amoral and antisocial behavior, lack of ability to love or establish meaningful personal relationships, extreme egocentricity, failure to learn from experience, etc.
- ptolemaeus — a walled plain in the third quadrant of the face of the moon: about 90 miles (144 km) in diameter.
- ptolemaist — an adherent or advocate of the Ptolemaic system of astronomy.
- pugnacious — inclined to quarrel or fight readily; quarrelsome; belligerent; combative.
- pultaceous — resembling pap
- pupiparous — (of an insect) bearing fully developed larvae that are ready to pupate.
- push about — to bully; keep telling (a person) what to do in a bossy manner
- push along — to go away
- put across — to move or place (anything) so as to get it into or out of a specific location or position: to put a book on the shelf.
- put to sea — the salt waters that cover the greater part of the earth's surface.
- pyatigorsk — a city in the SW Russian Federation in Europe, in Caucasia.
- pyranoside — a glycoside containing a pyran ring structure.
- pyrolysate — a product of pyrolysis
- pythagoras — c582–c500 b.c, Greek philosopher, mathematician, and religious reformer.
- radarscope — the viewing screen of radar equipment.
- radioscope — an instrument, such as a fluoroscope, capable of detecting radiant energy
- radioscopy — the examination of objects opaque to light by means of another form of radiation, usually x-rays.
- rampageous — violent; unruly; boisterous.
- rat poison — substance toxic to rodents