12-letter words containing c, o, r, a
- angiosarcoma — a rare, malignant tumour which grows rapidly in the blood vessels
- anglo-french — of or relating to England and France
- animatronics — a branch of film and theatre technology that combines traditional puppetry techniques with electronics to create lifelike animated effects
- anisomorphic — differing in the semantic scope of terms referring to the real world: for instance, English and Russian are anisomorphic with regard to colour terms, English treating light blue and navy blue as shades of one colour but Russian treating these two shades as unrelated
- annunciators — Plural form of annunciator.
- annunciatory — to announce.
- anorexigenic — causing loss of appetite
- anorthoclase — a variety of microcline, rich in sodium and sometimes having a play of color: sometimes considered a variety of orthoclase.
- anorthositic — resembling or consisting of anorthosite
- ansate cross — ankh
- anthocarpous — resembling or pertaining to an anthocarp
- anthrophonic — Relating to anthrophony.
- anthropodicy — An attempt, or argument attempting, to justify the existence of humanity as good (contrast theodicy).
- anticipatory — An anticipatory feeling or action is one that you have or do because you are expecting something to happen soon.
- anticonsumer — opposed to consumerism
- antielectron — an elementary particle with a positive charge, a positron
- antientropic — showing a tendency towards order
- antifriction — intended to reduce friction
- antimicrobic — Antimicrobial.
- antimonarchy — Opposing a monarchy.
- antinarcotic — Opposing or countering narcotics.
- antiperiodic — efficacious against recurring attacks of a disease
- antiromantic — opposed to romanticism
- antistrophic — Of or pertaining to an antistrophe.
- 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.
- aortographic — relating to an aortography or aortography
- aperiodicity — not periodic; irregular.
- aphoristical — Alternative form of aphoristic.
- aphrodisiacs — Plural form of aphrodisiac.
- aplacophoran — solenogaster.
- apochromatic — (of a lens) almost free from spherical and chromatic aberration
- apocryphally — In an apocryphal manner.
- apothecaries — Plural form of apothecary.
- appeal court — An appeal court is the same as a Court of Appeal.
- apperception — the attainment of full awareness of a sensation or idea
- appleknocker — Northern U.S. a rustic.
- appreciation — Appreciation of something is the recognition and enjoyment of its good qualities.
- appreciators — to be grateful or thankful for: They appreciated his thoughtfulness.
- appreciatory — appreciative.
- approachable — If you describe someone as approachable, you think that they are friendly and easy to talk to.
- approachment — (archaic) approach.
- apricot tart — a pastry case filled with apricots
- arachnophobe — a person who is afraid of spiders
- arborescence — treelike in size and form.
- arborio rice — variety of round-grain rice used for making risotto
- arc cosecant — the angle, measured in radians, that has a cosecant equal to a given number. Symbol: csc −1. Abbreviation: arc csc;
- arch support — a rigid support placed inside a shoe so that its molded form fits the arch of the foot and relieves strain on the muscles of the foot while walking, standing, etc.
- archaeologic — Pertaining to archaeology.
- archaeometry — the use of science and modern technology in archaeology to examine and interpret archaeological remains
- archaic homo — collectively, the very robust, regionally differentiated human populations that lived in Europe, Asia, the Middle East, and Africa from 35,000 to 200,000 years ago.