12-letter words that end in s
- assignations — Plural form of assignation.
- assimilators — Plural form of assimilator.
- associations — Plural form of association.
- assortedness — the position of being sorted, grouped or harmonized with, well or badly, or provided with a good or bad assortment or mixture
- asteriskless — having no asterisk
- astrocompass — a navigational instrument for giving directional bearings from the centre of the earth to a particular star. It is carried in long-range aircraft, ships, spacecraft, etc
- astrocytomas — Plural form of astrocytoma.
- astronautics — the science and technology of space flight
- astrophysics — Astrophysics is the study of the physical and chemical structure of the stars, planets, and other natural objects in space.
- asynchronies — a lack of synchronism or coincidence in time.
- asynchronous — An asynchronous electric machine is one in which the magnetic field and the rotation are not exactly the same.
- at all costs — If you say that something must be avoided at all costs, you are emphasizing that it must not be allowed to happen under any circumstances.
- at all hours — If you say that something happens at all hours of the day or night, you disapprove of it happening at the time that it does or as often as it does.
- at all times — all the time, constantly
- at intervals — If something happens at intervals, it happens several times with gaps or pauses in between.
- at the press — being printed
- atheromatous — a sebaceous cyst.
- athrocytosis — the capability of a cell to receive and store matter
- athwartships — from one side to the other of a vessel at right angles to the keel
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- attendedness — The state or quality of being attended.
- attitudinous — (informal) Having a bold and possibly unfriendly attitude; sassy.
- attributions — Plural form of attribution.
- audiologists — Plural form of audiologist.
- audiovisuals — Plural form of audiovisual.
- aurene glass — an iridescent American art glass colored gold and blue.
- autoanalysis — Psychoanalysis. self-analysis.
- autochangers — Plural form of autochanger.
- autochthones — Alternative spelling of autochthons.
- autodiallers — Plural form of autodialler.
- autohypnosis — the process or result of self-induced hypnosis
- aversiveness — the condition of being characterized by aversion
- avitaminosis — any disease caused by a vitamin deficiency in the diet
- avowableness — the quality or condition of being avowable
- babe-in-arms — a young baby that has to be carried
- baby's-tears — a mosslike plant, Soleirolia (or Helxine) soleirolii, of the nettle family, native to Corsica and Sardinia, having small, roundish leaves and minute flowers.
- back to taws — back to the beginning
- backbenchers — Plural form of backbencher.
- backboneless — lacking backbone; cowardly
- backbreakers — Plural form of backbreaker.
- backsplashes — Plural form of backsplash.
- backstitches — Plural form of backstitch.
- backswimmers — Plural form of backswimmer.
- backtrackers — Plural form of backtracker.
- backwardness — toward the back or rear.
- bactericides — Plural form of bactericide.
- bahama grass — Bermuda grass.
- bald cypress — a tree, Taxodium distichum, of swampy areas of the southern U.S., having featherlike needles and cone-shaped projections growing up from the roots, yielding a hardwood used in construction, shipbuilding, etc.
- balletomanes — Plural form of balletomane.
- balsamaceous — any of various fragrant exudations from certain trees, especially trees of the genus Commiphora, as balm-of-Gilead. Compare balm (def 1).