10-letter words containing p, o, t, n
- prosecting — to dissect (a cadaver or part) for anatomical demonstration.
- prosilient — prominent
- prosternum — the ventral sclerite of the prothorax of an insect.
- protanopia — a defect of vision in which the retina fails to respond to red or green.
- proteanism — readily assuming different forms or characters; extremely variable.
- protectant — a substance, as a chemical spray, that provides protection, as against insects, frost, rust, etc.; protective agent.
- protecting — providing protection or shelter.
- protection — the act of protecting or the state of being protected; preservation from injury or harm.
- proteinase — any of a group of enzymes that are capable of hydrolyzing proteins.
- proteinoid — a polymer of amino acids resembling a biological polypeptide but formed abiotically: suggested as a possible intermediate in protein development during primitive earth conditions.
- proteinous — Biochemistry. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other nonphotosynthesizing organisms, composed of 20 or more amino acids linked in a genetically controlled linear sequence into one or more long polypeptide chains, the final shape and other properties of each protein being determined by the side chains of the amino acids and their chemical attachments: proteins include such specialized forms as collagen for supportive tissue, hemoglobin for transport, antibodies for immune defense, and enzymes for metabolism.
- protension — duration
- protensity — the actuality of duration
- protensive — extended in dimension or extended in time.
- protestant — any Western Christian who is not an adherent of a Catholic, Anglican, or Eastern Church.
- 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.
- protogenia — the first woman born after the great flood of Zeus, daughter of Deucalion and Pyrrha.
- protogenic — (of a compound) able to donate a hydrogen ion (proton) in a chemical reaction
- protohuman — of, relating to, or resembling extinct hominid populations that had some but not all the features of modern Homo sapiens.
- protonymph — the newly hatched form of various mites
- protruding — to project.
- protrusion — the act of protruding or the state of being protruded.
- provection — (in Celtic languages) the devoicing of a consonant
- provitamin — a substance that an organism can transform into a vitamin, as carotene, which is converted to vitamin A in the liver.
- pteranodon — a flying reptile of the extinct order Pterosauria, from the Cretaceous Period, having a wingspread of about 25 feet (8 meters).
- pultrusion — a process for manufacturing reinforced plastic products in which a bundle of glass fibres is pulled through a resin bath and then through a heated die to shape the resin
- pumy stone — a piece of pumice stone
- punctation — punctate condition or marking.
- punctiform — shaped like or of the nature of a point or dot.
- punctuator — to mark or divide (something written) with punctuation marks in order to make the meaning clear.
- puntillero — (in bullfighting) a worker, or assistant, who gives the coup de grâce to the fallen bull with a puntilla.
- punto fijo — a city in NW Venezuela, on the Paraguana Peninsula.
- purporting — to present, especially deliberately, the appearance of being; profess or claim, often falsely: a document purporting to be official.
- pushbutton — A pushbutton machine or process is controlled by means of buttons or switches.
- put in for — to request or apply for
- put option — put (def 24).
- pycnometer — a container used for determining the density of a liquid or powder, having a specific volume and often provided with a thermometer to indicate the temperature of the contained substance.
- pycnostyle — having an intercolumniation of 1½ diameters.
- pyromantic — divination by fire, or by forms appearing in fire.
- pyrotechny — the art of making fireworks
- pyroxenite — any rock composed essentially, or in large part, of pyroxene of any kind.
- pythogenic — originating from filth or putrescence.
- queen post — either of a pair of timbers or posts extending vertically upward from the tie beam of a roof truss or the like, one on each side of the center.
- quoin post — the vertical post at the side of a lock gate, about which the gate swings
- rat poison — substance toxic to rodents
- readoption — the adoption of something or someone again
- recoupment — to get back the equivalent of: to recoup one's losses by a lucky investment.
- redemption — an act of redeeming or atoning for a fault or mistake, or the state of being redeemed.
- reef point — one of several short lengths of line stitched through a sail for tying a reef
- reparation — the making of amends for wrong or injury done: reparation for an injustice.