12-letter words containing a, c, l, e
- antebrachial — Lb anatomy relating to the forearm.
- antecedental — preceding; prior: an antecedent event.
- antecedently — in an antecedent manner
- anthelic arc — a rare halo occurring at the sun's elevation but in the opposite part of the sky.
- anthelmintic — killing or ejecting intestinal worms
- anti-nuclear — opposed to military and industrial applications of nuclear energy and to technologies which produce radioactive waste products
- antiallergic — An antiallergic substance prevents or relieves allergies.
- anticatalase — a substance that inhibits the enzymatic action of a catalase.
- anticipately — (dated) In anticipation, in advance; anticipatedly.
- anticlerical — opposed to the power and influence of the clergy, esp in politics
- anticlimaxes — Plural form of anticlimax.
- anticyclones — Plural form of anticyclone.
- antielectron — an elementary particle with a positive charge, a positron
- antileukemic — acting against leukemia
- antinucleons — Plural form of antinucleon.
- antiparticle — any of a group of elementary particles that have the same mass and spin as their corresponding particle but have opposite values for all other nonzero quantum numbers. When a particle collides with its antiparticle, mutual annihilation occurs
- antisociable — Antisocial.
- antithetical — Something that is antithetical to something else is the opposite of it and is unable to exist with it.
- antiviolence — opposed to or acting against violence in society
- 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.
- apache plume — a low shrub, Fallugia paradoxa, of the rose family, of southwestern North America, having white flowers and fruit heads of feathery tufts.
- apicomplexan — Describing protists of the phylum Apicomplexa.
- apodeictical — Apodeictic.
- appeal court — An appeal court is the same as a Court of Appeal.
- appendicular — relating to an appendage or appendicle
- apple sucker — a small homopterous insect, Psyllia mali, originally of Europe, that is a serious pest of apple crops.
- appleknocker — Northern U.S. a rustic.
- approachable — If you describe someone as approachable, you think that they are friendly and easy to talk to.
- archaeologic — Pertaining to archaeology.
- archeologist — archaeology.
- archesporial — the primitive cell, or group of cells, that give rise to the cells from which spores are derived.
- archetypally — the original pattern or model from which all things of the same kind are copied or on which they are based; a model or first form; prototype.
- archetypical — Archetypical means the same as archetypal.
- archiannelid — (zoology) Any member of the Archiannelida.
- archipelagic — a large group or chain of islands: the Malay Archipelago.
- archipelagos — Plural form of archipelago.
- archive file — a single computer file that contains one or more files that have been compressed
- arena chapel — a private chapel in Padua containing a fresco cycle painted (1305–06) by Giotto.
- argillaceous — (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc
- arithmetical — Arithmetical calculations, processes, or skills involve the addition, subtraction, multiplication, or division of numbers.
- articulately — uttered clearly in distinct syllables.
- articulative — relating to articulation
- artiodactyle — (zoology) One of the Artiodactyla, a group of ungulates.
- asclepiadean — of or relating to a type of classical verse line consisting of a spondee, two or three choriambs, and an iamb
- ash-coloured — silver-grey in colour
- asymmetrical — Something that is asymmetrical has two sides or halves that are different in shape, size, or style.
- atactostelic — Of or possessing an atactostele.
- atheological — having an aversion or resistance to theology
- atheoretical — having no connection with and not founded on theory
- athletically — physically active and strong; good at athletics or sports: an athletic child.