11-letter words containing a, c, t, o, s
- anacanthous — having no spines or thorns.
- anachronist — A person who has anachronistic views or habits.
- analogistic — a person who employs or argues from analogy.
- anastomotic — Anatomy. communication between blood vessels by means of collateral channels, especially when usual routes are obstructed.
- ancestorial — of, belonging to, or relating to ancestors
- anchor shot — grapple shot.
- anfractuous — characterized by twists and turns; convoluted
- anisodactyl — (of the feet of passerine birds) having the first toe directed backwards and the other three toes directed forwards
- anisometric — not isometric; having unsymmetrical parts or unequal measurements
- anisotropic — not isotropic; having different physical properties in different directions
- anomalistic — tending to be anomalous
- anthracnose — any of several fungus diseases of plants and trees, such as vines and beans, characterized by oval dark depressed spots on the fruit and elsewhere
- anthracosis — a lung disease due to inhalation of coal dust
- anti-social — Someone who is anti-social is unwilling to meet and be friendly with other people.
- antibiotics — Plural form of antibiotic.
- anticarious — preventing or retarding caries.
- antignostic — pertaining to knowledge.
- anxiolytics — Plural form of anxiolytic.
- aortoclasia — rupture of the aorta.
- aphlogistic — (archaic) flameless.
- apoliticism — the quality of being apolitical
- apologetics — the branch of theology concerned with the defence and rational justification of Christianity
- aposiopetic — Of or pertaining to aposiopesis.
- apostolical — Apostolic.
- apostrophic — a digression in the form of an address to someone not present, or to a personified object or idea, as “O Death, where is thy sting?”.
- applicators — Plural form of applicator.
- aprioristic — belief in, or reliance upon, a priori reasoning, arguments, or principles.
- arborescent — having the shape or characteristics of a tree
- aristocracy — The aristocracy is a class of people in some countries who have a high social rank and special titles.
- aristocrats — Plural form of aristocrat.
- ars poetica — the art of poetry
- arthroscope — a tubular instrument that is inserted into the capsule of a joint to examine the joint, extract tissue, etc
- arthroscopy — the use of an arthroscope to diagnose an injury to or disease of a joint or to perform minor surgery on a joint.
- ascititious — having been added to from something inessential or separate
- ascomycetes — any fungus of the phylum Ascomycota (or class Ascomycetes), including the molds and truffles, characterized by bearing the sexual spores in a sac (as distinguished from basidiomycete).
- ascriptions — Plural form of ascription.
- associating — to connect or bring into relation, as thought, feeling, memory, etc.: Many people associate dark clouds with depression and gloom.
- association — An association is an official group of people who have the same job, aim, or interest.
- associative — Associative thoughts are things that you think of because you see, hear, or think of something that reminds you of those things or which you associate with those things.
- associators — Plural form of associator.
- asteraceous — belonging to the Asterasceae, an alternative name for the plant family Compositae.
- astrocytoma — a tumour of the nervous system which originates in and consists mainly of astrocytes
- astromancer — divination by means of the stars.
- astrometric — (astronomy) of or relating to astrometry.
- astronautic — Of or pertaining to astronautics.
- at any cost — If you say that something must be done at any cost, you are emphasizing that it must be done, even if this requires a lot of effort or money.
- atactostele — (botany) A type of eustele, found in monocots, in which the vascular tissue in the stem exists as scattered bundles.
- atmospheric — Atmospheric is used to describe something which relates to the Earth's atmosphere.
- atomic mass — the mass of an isotope of an element in atomic mass units
- atomtronics — (physics) The design, manufacture and study of analogs of electronics using atoms (especially Bose-Einstein condensates) at low temperature.