12-letter words containing e, t, i, o, l
- antigropelos — waterproof leggings used to protect against mud
- antilegomena — the books of the New Testament which have been excluded from the canon of Scripture
- antimetabole — the repetition of words in reverse order for emphasis
- antinovelist — a writer of antinovels
- antinucleons — Plural form of antinucleon.
- antipetalous — standing before the petals of a plant
- antireligion — opposed to religion
- antisepalous — facing the sepals or calyx leaf
- antisociable — Antisocial.
- antiviolence — opposed to or acting against violence in society
- anton sailer — Anton [ahn-tohn] /ˈɑn toʊn/ (Show IPA), ("Toni") 1935–2009, Austrian skier.
- aortic valve — a semilunar valve between the aorta and the left ventricle of the heart that prevents the blood from flowing back into the left ventricle.
- apodeictical — Apodeictic.
- apostle bird — a gregarious grey-and-brown Australian nest-building bird, Struthidea cinerea
- appellations — Plural form of appellation.
- archeologist — archaeology.
- aristotelian — of or relating to Aristotle or his philosophy
- art mobilier — small, movable art objects, especially primitive or prehistoric works of art.
- artiodactyle — (zoology) One of the Artiodactyla, a group of ungulates.
- astonishable — (obsolete) Astonishing.
- atactostelic — Of or possessing an atactostele.
- atheological — having an aversion or resistance to theology
- atheoretical — having no connection with and not founded on theory
- auction sale — an instance of items being sold by auction
- authorizable — able to be authorized
- autodiallers — Plural form of autodialler.
- autoeciously — in an autoecious manner
- autofellatio — Oral stimulation of one's own penis.
- autumn olive — a spiny shrub (Elaeagnus umbellata) of the oleaster family, having leaves covered with silvery or brown scales
- bacteriology — Bacteriology is the science and the study of bacteria.
- balletomania — passionate enthusiasm for ballet
- balloon tire — a wide, deep-walled pneumatic tire with relatively low air pressure to lessen the shock of bumps
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- beacon light — a light signal for shipping
- below stairs — People sometimes use below stairs to refer to the servants in a rich household and the things that are connected with them.
- benzonitrile — a clear, colorless, viscous, poisonous liquid, C 7 H 5 N, used chiefly as an intermediate in organic synthesis.
- bibliopegist — a bookbinder
- bibliothecal — relating to a bibliotheca
- bibliotheque — a library.
- bicollateral — (of a vascular bundle) having two phloem groups to the inside and outside, respectively, of the xylem
- biosatellite — an artificial satellite for carrying living organisms
- biotechnical — relating to biotechnology
- biotelemetry — the monitoring of biological functions in humans or animals by means of a miniature transmitter that sends data to a distant point to be read by electronic instruments
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- biting louse — any wingless insect of the order Mallophaga, such as the chicken louse: external parasites of birds and mammals with biting mouthparts
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- bitter lemon — a non-alcoholic, fizzy drink with a lemon flavour
- bitter melon — balsam pear.
- blastocoelic — of or relating to the blastocoel
- bletheration — nonsense!