10-letter words containing s, e, r, o
- arc second — Astronomy. second2 (def 4).
- archemorus — Opheltes.
- archespore — the cell or group of cells in a sporangium that gives rise to spores
- areligious — unconcerned with or indifferent to religious matters.
- arenaceous — (of sedimentary rocks and deposits) composed of sand or sandstone
- argenteous — silvery.
- aristotype — a process of photographic printing in which paper coated with silver chloride in gelatin is used.
- armigerous — of, having, or entitled to have a coat of arms
- armourless — having no armour
- arrowheads — Plural form of arrowhead.
- arse about — to play the fool; act stupidly, esp in an irritating manner
- arsenolite — a mineral, arsenic trioxide, As 2 O 3 , occurring usually as a white incrustation on arsenical ores.
- arterioles — Plural form of arteriole.
- artichokes — Plural form of artichoke.
- arytenoids — Plural form of arytenoid.
- 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.
- ascorbates — Plural form of ascorbate.
- ascospores — Plural form of ascospore.
- asgeirsson — Asgeir [ahs-gair] /ˈɑs gɛər/ (Show IPA), 1894–1972, Icelandic statesman: president 1952–68.
- aside from — Aside from means the same as apart from. This form is more usual in American English.
- asperation — The act of asperating; a making or becoming rough.
- aspersions — disparaging or malicious remarks; slanderous accusations
- aspersoria — Plural form of aspersorium.
- 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
- assortment — An assortment is a group of similar things that are of different sizes or colours or have different qualities.
- asteroidal — relating to asteroids
- asteroidea — the class comprising the starfishes.
- astrobleme — a mark on the earth's surface, usually circular, formed by a large ancient meteorite impact
- astrocytes — Plural form of astrocyte.
- astrodomes — Plural form of astrodome.
- astrolabes — Plural form of astrolabe.
- astrologer — An astrologer is a person who uses astrology to try to tell you things about your character and your future.
- astrometry — the branch of astronomy concerned with the measurement of the position and motion of celestial bodies
- astronomer — An astronomer is a scientist who studies the stars, planets, and other natural objects in space.
- 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
- 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.
- auriferous — (of rock) containing gold; gold-bearing
- auriscopes — Plural form of auriscope.
- authorised — Alternative spelling of authorized.
- authorises — Third-person singular simple present indicative form of authorise.
- authorizes — Third-person singular simple present indicative form of authorize.
- authorless — having no author; anonymous
- automakers — Plural form of automaker.
- autoroutes — Plural form of autoroute.