13-letter words containing a, c, e, n
- anticorrosive — preventing corrosion
- antidesiccant — a substance applied to plants to prevent moisture loss during transplantation
- antidiuretics — Plural form of antidiuretic.
- antielectrons — Plural form of antielectron.
- antiempirical — Going against what is empirically true.
- antiepileptic — a drug used to treat epileptic seizures, an anticonvulsant
- antigenically — Immunology. any substance that can stimulate the production of antibodies and combine specifically with them.
- antiinfection — Preventing or counteracting infection.
- antiinfective — Antiinfection.
- antimechanist — opposed to mechanistic philosophy
- antimetabolic — inhibiting metabolism
- antimutagenic — capable of reducing the frequency of mutation.
- antinephritic — acting against kidney disease
- antiobscenity — opposed to or working to combat obscenity
- antioncogenes — Plural form of antioncogene.
- antiparticles — Plural form of antiparticle.
- antipesticide — opposed to the use of pesticides
- 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
- antiselection — adverse selection.
- antisepticise — to render antiseptic
- antisepticism — the treatment of sepsis using antiseptics
- antisepticize — to treat with an antiseptic
- 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…"
- apicomplexans — Plural form of apicomplexan.
- appendiculate — having appendicles
- apperceptions — Plural form of apperception.
- apple-knocker — Northern U.S. a rustic.
- appreciations — Plural form of appreciation.
- apprenticeage — (obsolete) Apprenticeship.
- appurtenances — accessories or equipment
- arab-american — a citizen or resident of the U.S. of Arab birth or descent.
- arabian camel — a domesticated camel, Camelus dromedarius, having one hump on its back and used as a beast of burden in the hot deserts of N Africa and SW Asia
- arachnephobia — Misspelling of arachnophobia.
- arc cotangent — the angle, measured in radians, that has a cotangent equal to a given number. Symbol: cot −1. Abbreviation: arc cot.
- archaeobotany — the analysis and interpretation of plant remains found at archaeological sites
- archaeologian — (archaic) An archaeologist.
- archie bunker — a poorly educated blue-collar worker, holding ultraconservative, racist, and male-chauvinist opinions.
- archimandrite — the head of a monastery or a group of monasteries
- architectonic — denoting, relating to, or having architectural qualities
- arcus senilis — an opaque circle around the cornea of the eye, often seen in elderly people
- arias sanchez — Oscar. born 1940, Costa Rican statesman; president (1986–90, 2006–2010); Nobel peace prize 1987
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arithmetician — a person skilled in arithmetic
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arundinaceous — resembling a reed
- ascension day — the 40th day after Easter, when the Ascension of Christ into heaven is celebrated
- ascensiontide — the ten days from Ascension Day to the day before Whit Sunday