10-letter words containing r, o, s
- asbjornsen — Peter Christen [pey-tuh r kris-tuh n] /ˈpeɪ tər ˈkrɪs tən/ (Show IPA), 1812–85, Norwegian naturalist and folklorist.
- ascaridole — a liquid, C 10 H 16 O 2 , constituting the active principle of chenopodium oil, used chiefly as a catalyst in polymerization reactions.
- ascigerous — of or relating to asci.
- ascocarpic — relating to an ascocarp
- ascorbates — Plural form of ascorbate.
- ascospores — Plural form of ascospore.
- ascosporic — relating to an ascospore
- ascription — the act of ascribing
- asgeirsson — Asgeir [ahs-gair] /ˈɑs gɛər/ (Show IPA), 1894–1972, Icelandic statesman: president 1952–68.
- asia minor — large peninsula in W Asia, between the Black Sea and the Mediterranean, including Asiatic Turkey west of an undefined line from the Gulf of Iskenderun to the Black Sea
- asiadollar — a U.S. dollar deposited in or credited to Asian banks and used in the money markets of the region.
- aside from — Aside from means the same as apart from. This form is more usual in American English.
- ask around — If you ask around or ask round, you ask several people a question.
- ask for it — to put a question to; inquire of: I asked him but he didn't answer.
- 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
- assentator — a person who agrees or acquiesces in a compliant or fawning manner
- assertions — Plural form of assertion.
- assertoric — (of a statement) stating a fact, as opposed to expressing an evaluative judgment
- associator — A person who associates with something.
- assortment — An assortment is a group of similar things that are of different sizes or colours or have different qualities.
- astarboard — to or from the starboard side
- asteroidal — relating to asteroids
- asteroidea — the class comprising the starfishes.
- astriction — to bind fast; constrain.
- astrionics — the science dealing with the application of electronics to astronautics.
- astrobleme — a mark on the earth's surface, usually circular, formed by a large ancient meteorite impact
- astrocytes — Plural form of astrocyte.
- astrocytic — relating to astrocytes or star-shaped neuroglial cells
- astrodomes — Plural form of astrodome.
- astrogator — Astronavigator.
- astrograph — a navigational device for projecting altitude curves of the stars and planets onto charts or plotting sheets.
- astrolabes — Plural form of astrolabe.
- astrolatry — a reverence for, devotion to, or deification of celestial objects
- astrologer — An astrologer is a person who uses astrology to try to tell you things about your character and your future.
- astromancy — divination by means of the stars.
- astrometry — the branch of astronomy concerned with the measurement of the position and motion of celestial bodies
- astronauts — Plural form of astronaut.
- astronomer — An astronomer is a scientist who studies the stars, planets, and other natural objects in space.
- astronomic — of, relating to, or connected with astronomy.
- astrophoto — (astronomy, photography) An image of one or more celestial objects made using techniques of astrophotography.
- asynchrony — a lack of synchronism or coincidence in time.
- atascadero — a town in SW California.
- atmosphere — A planet's atmosphere is the layer of air or other gases around it.
- atrocities — acts of extreme cruelty, esp against prisoners or civilians in wartime
- atrocity's — the quality or state of being atrocious.