9-letter words containing a, s, e, o, r
- assertion — a positive statement, usually made without an attempt at furnishing evidence
- assertory — characterized by or relating to declaration or affirmation
- assessors — Plural form of assessor.
- assortive — to distribute, place, or arrange according to kind or class; classify; sort.
- asteroids — Plural form of asteroid.
- astrocyte — any of the star-shaped cells in the tissue supporting the brain and spinal cord (neuroglia)
- astrodome — a transparent dome on the top of an aircraft, through which observations can be made, esp of the stars
- astrofell — (in the works of Spenser) an unidentified plant, commonly believed to be akin to an aster
- astrogate — (science fiction, intransitive) To astronavigate; to control and guide a spacecraft.
- astrolabe — an instrument used by early astronomers to measure the altitude of stars and planets and also as a navigational aid. It consists of a graduated circular disc with a movable sighting device
- at source — at the point of origin
- atheromas — Plural form of atheroma.
- atherosis — (pathology) atheroma.
- atomizers — Plural form of atomizer.
- atrophies — 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.
- attolaser — a high-power laser capable of producing pulses with a duration measured in attoseconds
- attorneys — Plural form of attorney.
- attornies — Plural form of attorny.
- auriscope — a medical instrument for examining the external ear
- authoress — An authoress is a female author. Many female writers object to this word, and prefer to be called authors.
- authorise — to give authority or official power to; empower: to authorize an employee to sign purchase orders.
- autospore — a nonmotile algal spore that develops adult characteristics before being released
- auxospore — a diatom cell before its silicaceous cell wall is formed
- averroism — the teachings of Averroës
- aversions — Plural form of aversion.
- ayr stone — a fine-grained stone used for polishing marble and as a whetstone.
- bachelors — Plural form of bachelor.
- backshore — the area of a beach above the usual high tide mark
- balloters — Plural form of balloter.
- bannerols — Plural form of bannerol.
- baritones — Plural form of baritone.
- barklouse — any of numerous insects of the order Psocoptera that live on the bark of trees and other plants.
- baroscope — any instrument for measuring atmospheric pressure, esp a manometer with one side open to the atmosphere
- barouches — Plural form of barouche.
- barperson — a person who serves in a pub: used esp in advertisements
- base form — the simplest form of a word, to which inflections may be added
- baseboard — A baseboard is a narrow length of wood which goes along the bottom of a wall in a room and makes a border between the walls and the floor.
- bathrobes — Plural form of bathrobe.
- bay shore — a town on the S shore of Long Island, in SE New York.
- behaviors — manner of behaving or acting.
- beriosova — Svetlana (svɪtˈlanə). 1932–98, British ballet dancer, born in Lithuania
- boanerges — a nickname applied by Jesus to James and John in Mark 3:17
- bombaster — a person who stuffs or pads
- bordelais — a wine-growing region in SW France, in Gironde.
- borgesian — of Jorge Luis Borges or his works
- bosberaad — a meeting in an isolated venue to break a political deadlock
- botmaster — (chat) The owner of a bot.
- bourasque — a tempest
- broachers — Machinery. an elongated, tapered, serrated cutting tool for shaping and enlarging holes.
- broadness — the state or character of being broad: the broadness of the ship; the broadness of his jokes.