10-letter words containing p, a, r, o
- approbated — Simple past tense and past participle of approbate.
- approvable — able to be approved
- approvably — in an approvable manner
- approvance — approval
- approvedly — So as to secure approbation; in an approved manner.
- 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.
- apropos of — with regard to; in respect of
- apterygote — belonging or pertaining to the Apterygota, a subclass of primitive wingless insects that undergo little or no metamorphosis.
- 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.
- archespore — the cell or group of cells in a sporangium that gives rise to spores
- archipenko — Aleksandr Porfiryevich (alɪkˈsandr parˈfirjɪvitʃ). 1887– 1964, Russian sculptor and painter, in the US after 1923, whose work is characterized by economy of form
- archoplasm — the protoplasmic material surrounding the centrosome, formerly thought to be involved in the formation of the asters and spindle during mitosis
- arctophile — a person who collects teddy bears or is fond of them
- arctophily — the practice of collecting teddy bears
- area opaca — the opaque area of the blastoderm surrounding the area pellucida.
- areography — the description of the physical features, such as the surface, atmosphere, etc, of the planet Mars
- 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
- army corps — a military formation that comprises two or more divisions and additional support arms
- army group — the largest operational formation of military land forces, normally comprising two or more armies or army corps under a designated commander.
- arpeggione — a stringed musical instrument of the early 19th century which was played with a bow
- arthropoda — the phylum comprising the arthropods.
- arthropods — any invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and usually a chitinous shell that undergoes moltings, including the insects, spiders and other arachnids, crustaceans, and myriapods.
- artocarpus — a genus of the mulberry family, originating in Asia, species of which include the jackfruit and the breadfruit
- aryl group — any organic group derived from an aromatic hydrocarbon by the removal of a hydrogen atom, as phenyl, C 6 H 5 −, from benzene, C 6 H 6 .
- ascocarpic — relating to an ascocarp
- ascospores — Plural form of ascospore.
- 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
- astrograph — a navigational device for projecting altitude curves of the stars and planets onto charts or plotting sheets.
- astrophoto — (astronomy, photography) An image of one or more celestial objects made using techniques of astrophotography.
- atmosphere — A planet's atmosphere is the layer of air or other gases around it.
- atropatene — Media Atropatene.
- 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.
- attoparsec — (unit, humour) About 31 mm (one inch). "atto-" is the standard SI prefix for multiplication by 10^-18. A parsec (parallax-second) is 3.26 light-years; an attoparsec is thus 3.26 * 10^-18 light years. Thus, one attoparsec per microfortnight is about one inch per second. This unit is reported to be in use (though probably not very seriously) among hackers in the UK.
- audiograph — a machine used to test a patient's hearing by transmitting sound waves directly to the inner ear
- auriscopes — Plural form of auriscope.
- australorp — a heavy black breed of domestic fowl
- authorship — The authorship of a piece of writing is the identity of the person who wrote it.
- autographs — Plural form of autograph.