13-letter words containing a, t, r, c
- antiarthritic — a drug that acts against arthritis
- antibacterial — effective against bacteria
- antichristian — Pertaining to Antichrist.
- anticigarette — opposing cigarette smoking
- anticlinorium — a vast elongated anticline with its strata further folded into anticlines and synclines
- anticorporate — opposed to the activities or practices of big business
- anticorrosion — the prevention or counteracting of corrosion
- anticorrosive — preventing corrosion
- antidiuretics — Plural form of antidiuretic.
- antielectrons — Plural form of antielectron.
- antiempirical — Going against what is empirically true.
- antimacassars — Plural form of antimacassar.
- antimicrobial — capable of destroying or inhibiting the growth of disease-causing microbes
- antinephritic — acting against kidney disease
- antiparasitic — acting against infection by parasites
- antiparticles — Plural form of antiparticle.
- antipruritics — Plural form of antipruritic.
- antirecession — acting against recession
- antirejection — acting to prevent the rejection of a transplanted organ
- antiresonance — a phenomenon in an electric, acoustic, or other such system in which the impedance is tending to infinity.
- antirheumatic — acting against rheumatism
- antiscorbutic — preventing or curing scurvy
- antisudorific — an antiperspirant.
- antisymmetric — (of a relation) never holding between a pair of arguments x and y when it holds between y and x except when x = y, as "…is no younger than…"
- aperture card — a punched-card mounting for microfilmed pages.
- apheliotropic — growing in a direction away from the sunlight
- apocryphalist — A member of the group who supported the inclusion of the Apocrypha in the Bible.
- apoplectiform — of or resembling apoplexy or stroke.
- appeals court — An appeals court is the same as an appellate court.
- apperceptions — Plural form of apperception.
- appreciatable — (chiefly,esthetics) That can be appreciated or enjoyed.
- appreciations — Plural form of appreciation.
- apprenticeage — (obsolete) Apprenticeship.
- approach path — the course followed by an aircraft preparing for landing
- approach shot — a shot made to or towards the green after a tee shot
- appurtenances — accessories or equipment
- aquaculturist — a person who practises aquaculture
- arabicization — the gradual change of a culture into one that incorporates Arab culture and/or speaks Arabic
- arachnoiditis — an inflammation of the arachnoid membrane
- araeometrical — relating to araeometry
- arboriculture — the cultivation of trees or shrubs, esp for the production of timber
- arc cotangent — the angle, measured in radians, that has a cotangent equal to a given number. Symbol: cot −1. Abbreviation: arc cot.
- arc of lowitz — a halo or arc of light, occurring infrequently, which extends diagonally downward from a 22° parhelion.
- archaeobotany — the analysis and interpretation of plant remains found at archaeological sites
- archaeologist — a specialist in archaeology, the scientific study of prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, etc.
- archaeometric — relating to archaeometry
- archaeopteryx — any of several extinct primitive birds constituting the genus Archaeopteryx, esp A. lithographica, which occurred in Jurassic times and had teeth, a long tail, well-developed wings, and a body covering of feathers
- archebacteria — Plural form of archebacterium.
- archeologists — archaeology.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.