12-letter words containing a, t, r
- apartmentize — to build apartments on or in: to apartmentize the downtown area.
- aperiodicity — not periodic; irregular.
- apfelstrudel — apple strudel
- aphoristical — Alternative form of aphoristic.
- apiculturist — beekeeping, especially on a commercial scale for the sale of honey.
- apochromatic — (of a lens) almost free from spherical and chromatic aberration
- apostle bird — a gregarious grey-and-brown Australian nest-building bird, Struthidea cinerea
- apostrophise — to address by apostrophe.
- apostrophize — to address an apostrophe to
- apothecaries — Plural form of apothecary.
- apparatchiks — a member of an apparat, especially in a Communist country.
- apparentness — The state or quality of being apparent.
- apparitional — of or relating to an apparition or apparitions; ghostly, spectral
- appeal court — An appeal court is the same as a Court of Appeal.
- apperception — the attainment of full awareness of a sensation or idea
- apperceptive — conscious perception.
- appercipient — having or using apperception
- appertaining — to belong as a part, right, possession, attribute, etc.; pertain or relate (usually followed by to): privileges that appertain to members of the royal family.
- apple butter — a jam made from stewed spiced apples
- appletviewer — (web, testing) A simplified web browser used for testing applets. You can't browse HTML with it but you can run applets to test them before embedding them in a web page.
- applied arts — arts that are put to practical use
- appoggiatura — an ornament consisting of a nonharmonic note (short or long) preceding a harmonic one either before or on the stress
- apportioning — Present participle of apportion.
- appraisement — the act of estimating or judging the nature or value of something or someone.
- appreciating — to be grateful or thankful for: They appreciated his thoughtfulness.
- appreciation — Appreciation of something is the recognition and enjoyment of its good qualities.
- appreciative — An appreciative reaction or comment shows the enjoyment that you are getting from something.
- appreciators — to be grateful or thankful for: They appreciated his thoughtfulness.
- appreciatory — appreciative.
- apprenticing — Present participle of apprentice.
- apprentisage — Obsolete form of apprenticeage.
- approachment — (archaic) approach.
- approbations — approval; commendation.
- appropriated — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriates — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriator — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approximated — near or approaching a certain state, condition, goal, or standard.
- approximates — near or approaching a certain state, condition, goal, or standard.
- approximator — Something that approximates.
- appurtenance — a secondary or less significant thing or part
- apricot tart — a pastry case filled with apricots
- apron string — a string for tying an apron on
- aquacultural — related to aquaculture
- araeosystyle — (of columned buildings) having an alternately very wide and very narrow intercolumniation
- arba kanfoth — a rectangular piece of cloth with fringes at the four corners and a hole in the center for the head, worn under the clothes by Orthodox Jewish males.
- arbitrageurs — Plural form of arbitrageur.
- arbitrations — Plural form of arbitration.
- arborization — a branching treelike appearance in certain fossils and minerals
- arc cosecant — the angle, measured in radians, that has a cosecant equal to a given number. Symbol: csc −1. Abbreviation: arc csc;
- arc spectrum — a spectrum formed from the light produced by an electric arc, characteristic of the gas or vapor through which the arc passes.