8-letter words containing r, o, t, s, i
- notarise — to certify (a document, contract, etc.) or cause to become certified through a notary public.
- notornis — a rare, flightless gallinulelike bird, Notornis mantelli, of New Zealand.
- oestriol — a weak oestrogenic hormone secreted by the mammalian ovary: a synthetic form is used to treat oestrogen deficiency. Formula: C18H24O3
- oistrakh — David [dey-vid] /ˈdeɪ vɪd/ (Show IPA), 1908–74, Russian violinist.
- oneriest — Superlative form of onery.
- orations — Plural form of oration.
- orbitals — Plural form of orbital.
- orbiters — Plural form of orbiter.
- orchitis — inflammation of the testis.
- oresteia — a trilogy of tragic dramas (458 b.c.) by Aeschylus, consisting of the Agamemnon, the Choëphori, and the Eumenides.
- organist — a person who plays the organ.
- orgastic — the physical and emotional sensation experienced at the peak of sexual excitation, usually resulting from stimulation of the sexual organ and usually accompanied in the male by ejaculation.
- orlistat — A drug designed to treat obesity.
- ornithes — birds considered collectively
- orthosis — Medicine/Medical. the correction of orthopedic maladjustments.
- outcries — Plural form of outcry.
- outfires — Third-person singular simple present indicative form of outfire.
- outliers — something that lies outside the main body or group that it is a part of, as a cow far from the rest of the herd, or a distant island belonging to a cluster of islands: The small factory was an outlier, and unproductive, so the corporation sold it off to private owners who were able to make it profitable.
- outraise — To raise more of something than someone else; often used specifically in reference to fundraising.
- outrides — Plural form of outride.
- outsider — a person not belonging to a particular group, set, party, etc.: Society often regards the artist as an outsider.
- outskirt — Often, outskirts. the outlying district or region, as of a city, metropolitan area, or the like: to live on the outskirts of town; a sparsely populated outskirt.
- outstrip — to outdo; surpass; excel.
- ovaritis — oophoritis.
- overstir — to stir too much
- parodist — a writer of parodies, especially of a literary subject, work, or style.
- peronist — a supporter of Juan Perón or of his principles and policies.
- persicot — a sweet beverage that is made from the stones of apricots or peaches that are soaked or pulverized in distilled liquid or alcohol
- piscator — fisherman.
- pointers — a person or thing that points.
- poitiers — a city in SE France, on the Rhone River, S of Lyons: Roman ruins.
- poristic — of or relating to a porism
- porniest — Informal. pertaining to, resembling, characteristic of, or containing pornography; pornographic: porny photos.
- porosity — the state or quality of being porous.
- portside — situated on the port side
- positron — an elementary particle having the same mass and spin as an electron but having a positive charge equal in magnitude to that of the electron's negative charge; the antiparticle of the electron.
- postfire — of or relating to the period after a fire
- postriot — of or relating to the period after a riot
- prosaist — a person who writes prose.
- protasis — the clause expressing the condition in a conditional sentence, in English usually beginning with if. Compare apodosis.
- proteins — 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.
- protista — a taxonomic kingdom comprising the protists.
- protists — 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.
- ratisbon — Regensburg.
- resistor — a device designed to introduce resistance into an electric circuit.
- rimstone — a calcareous deposit forming a dam at the edge or outlet of an overflowing pool of water, as in a cavern.
- ringtoss — a game in which rings, often made of rope, are tossed to encircle an upright peg.
- risoluto — to be played firmly and decisively
- rispetto — a form of folk verse from Tuscany
- roasting — roasted: roast beef.