12-letter words containing a, s
- air pressure — the force of air pressing down on an area
- air-sea base — a centre from which military aircraft and naval vessels operate
- airbrush out — to remove evidence of (someone or something from photographs, books, or history)
- aircraftsman — a person holding the rank of noncommissioned officer in the RAF.
- airpocalypse — (informal) The presence of dense smog in many parts of China.
- airtightness — the quality of being airtight
- alalcomeneus — the first man: he reared Athena and reconciled Zeus and Hera.
- alan shugart — Alan F. Shugart
- alant starch — inulin.
- alarm signal — a signal warning of danger
- alarm system — a set of electronic devices that trigger an alarm
- alaska range — a mountain range in S central Alaska. Highest peak: Mount McKinley, 6194 m (20 320 ft)
- albert speer — Albert [al-bert;; German ahl-bert] /ˈæl bərt;; German ˈɑl bɛrt/ (Show IPA), 1905–81, German Nazi leader: appointed by Hitler as official Nazi architect.
- alberti bass — a reiterated broken-chord figure used as an accompaniment, especially in 18th-century rococo keyboard music.
- alexanderson — Ernst F. W [urnst] /ɜrnst/ (Show IPA), 1878–1975, U.S. engineer and inventor.
- alexandrines — Plural form of alexandrine.
- alexandrinus — the Greek uncial codex, dating from the early 5th century a.d., originally containing the complete text of the Greek Old and New Testaments.
- alfonso xiii — 1886–1941, king of Spain (1886–1931), who was forced to abdicate on the establishment of the republic in 1931
- algesiometer — an instrument for determining the sensitiveness of the skin to a painful stimulus.
- alhambresque — like the Alhambra, especially in richness of ornamentation
- alias dictus — otherwise called; alias.
- aliasing bug — stale pointer bug
- alice's fern — Hartford fern.
- alieni juris — under the control of another, as a lunatic or infant.
- alkalescence — the process of developing alkaline qualities
- alkalescency — the tendency to develop alkaline qualities
- alkali grass — a plant, Zigadenus elegans, of central and western North America, having tough, wiry, bluish-green leaves and greenish flowers.
- alkalimeters — Plural form of alkalimeter.
- all kinds of — You can use all kinds of to emphasize that there are a great number and variety of particular things or people.
- all shook up — shaken, upset
- all the best — You can say 'All the best' when you are saying goodbye to someone, or at the end of a letter.
- all the same — nevertheless; yet
- allegoristic — writing or using allegory; interpreting in an allegorical sense.
- allegrissimo — (music) A direction in musical notation indicating that the musical piece should be played very fast and lively.
- allelomorphs — Plural form of allelomorph.
- allhallowmas — All Saints' Day.
- allman style — indent style
- allomorphism — variation in the crystalline form of a chemical compound
- allosauruses — Plural form of allosaurus.
- alloy wheels — wheels made from an steel alloy, usually of aluminium or magnesium, for improved properties such as reduced weight, better heat conductance and a shiny appearance
- alluringness — The state or quality of being alluring.
- allusiveness — having reference to something implied or inferred; containing, abounding in, or characterized by allusions.
- almightiness — The state or quality of being almighty.
- almond paste — ground almond mixture
- alongside of — at the side of; beside; adjoining
- alpha boötis — Arcturus
- alpha leonis — Regulus1
- alphabetised — (British) Arranged in alphabetical order.
- alphabetiser — Non-Oxford British standard spelling of alphabetizer.
- alphabetizes — Third-person singular simple present indicative form of alphabetize.