10-letter words containing o, r, p, i
- apoprotein — any conjugated protein from which the prosthetic group has been removed, such as apohaemoglobin (the protein of haemoglobin without its haem group)
- apotropaic — preventing or intended to prevent evil
- apparation — (obsolete) A preparation.
- apparition — An apparition is someone you see or think you see but who is not really there as a physical being.
- applicator — An applicator is a device that you use to put something somewhere when you do not want to touch it or do it with your hands.
- appointers — Plural form of appointer.
- appointors — Plural form of appointor.
- apportions — Third-person singular simple present indicative form of apportion.
- approximal — situated side by side; close together
- aprication — the act of sunbathing or basking in the sun
- april fool — An April Fool is a trick that is played on April Fool's Day.
- aquaporins — Plural form of aquaporin.
- archbishop — In the Roman Catholic, Orthodox, and Anglican Churches, an archbishop is a bishop of the highest rank, who is in charge of all the bishops and priests in a particular country or region.
- archipenko — Aleksandr Porfiryevich (alɪkˈsandr parˈfirjɪvitʃ). 1887– 1964, Russian sculptor and painter, in the US after 1923, whose work is characterized by economy of form
- arctophile — a person who collects teddy bears or is fond of them
- arctophily — the practice of collecting teddy bears
- areopagite — a member of the Areopagus, a judicial council of ancient Athens that met on the hill of that name
- aristotype — a process of photographic printing in which paper coated with silver chloride in gelatin is used.
- armipotent — strong in arms or war
- arpeggione — a stringed musical instrument of the early 19th century which was played with a bow
- ascocarpic — relating to an ascocarp
- ascosporic — relating to an ascospore
- ascription — the act of ascribing
- asperation — The act of asperating; a making or becoming rough.
- aspersions — disparaging or malicious remarks; slanderous accusations
- aspersoria — Plural form of aspersorium.
- aspiration — Someone's aspirations are their desire to achieve things.
- aspirators — Plural form of aspirator.
- aspiratory — of or suited for breathing or suction
- atrophying — Also, atrophia [uh-troh-fee-uh] /əˈtroʊ fi ə/ (Show IPA). Pathology. a wasting away of the body or of an organ or part, as from defective nutrition or nerve damage.
- audiograph — a machine used to test a patient's hearing by transmitting sound waves directly to the inner ear
- auriscopes — Plural form of auriscope.
- authorship — The authorship of a piece of writing is the identity of the person who wrote it.
- autotropic — Growing in a straight line.
- barophilic — (of living organisms) growing best in conditions of high atmospheric pressure
- barophobia — The fear of gravity or objects falling.
- baroscopic — Relating to, or determined by, the baroscope.
- barotropic — having a density that is a function only of pressure.
- barrow pit — a roadside borrow pit dug for drainage purposes.
- bicorporal — having two bodies, main divisions, symbols, etc.
- billposter — a person who is employed to stick advertising posters to walls, fences, etc
- biographee — a person whose biography has been written
- biographer — Someone's biographer is a person who writes an account of their life.
- biographic — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- biomorphic — having the form of a living organism
- biopolymer — a large molecule in a living organism
- bioprivacy — the state of freedom from others having unauthorized access to biometric data about oneself
- bioprocess — a method or operation of preparing a biological material, especially a product of genetic engineering, for commercial use.
- biospheric — relating to the biosphere
- biotherapy — the treatment of disease by means of substances, as serums, vaccines, penicillin, etc., secreted by or derived from living organisms