13-letter words containing r, a, n, i
- antireflexive — noting a relation in which no element is in relation to itself, as “less than.”.
- antireformers — Plural form of antireformer.
- antirejection — acting to prevent the rejection of a transplanted organ
- antireligious — opposed to religious ideas, beliefs, and organizations
- antiresonance — a phenomenon in an electric, acoustic, or other such system in which the impedance is tending to infinity.
- antirheumatic — acting against rheumatism
- antiritualism — opposed to ritualism
- antiscorbutic — preventing or curing scurvy
- antisense rna — molecules transcribed, not from DNA in the usual way, but from DNA strands complementary to those that produce normal messenger RNA. Antisense RNA occurs in nature and is inhibitory on gene action. It can be produced synthetically and offers such therapeutic possibilities as turning off viral genes
- antisterility — free from living germs or microorganisms; aseptic: sterile surgical instruments.
- antisubmarine — (of weapons, missiles, etc) designed to combat or destroy submarines
- 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…"
- antiterrorism — opposed to or acting against terrorism; counterterrorist
- antiterrorist — relating to measures, policies, or organizations designed to combat terrorist activity
- anythingarian — a person who adheres to no particular creed
- aperitif-wine — a small drink of alcoholic liquor taken to stimulate the appetite before a meal.
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- apparent time — Astronomy. local time measured by the hour angle of the sun.
- apparent wind — (wind), the velocity of air as measured from a moving object, as a ship.
- apperceptions — Plural form of apperception.
- appersonation — the unconscious assumption of the personality characteristics of another, usually well known, person.
- apportionable — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apportionment — the act of apportioning
- appreciations — Plural form of appreciation.
- apprehensible — capable of being comprehended or grasped mentally
- apprehensibly — In an apprehensive manner; cautiously.
- apprehensions — Plural form of apprehension.
- apprenticeage — (obsolete) Apprenticeship.
- appropinquate — to approach
- appropinquity — nearness
- appropriating — Present participle of appropriate.
- appropriation — An appropriation is an amount of money that a government or organization reserves for a particular purpose.
- approximating — Present participle of approximate.
- approximation — An approximation is a fact, object, or description which is similar to something else, but which is not exactly the same.
- apron strings — If you say that someone is tied to another person's apron strings, you mean that they are controlled or influenced too much by the other person.
- 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
- arabian horse — one of a breed of horses, raised originally in Arabia and adjacent countries, noted for intelligence, grace, and speed.
- arabian senna — a tropical leguminous plant, Cassia angustifolia, having yellow flowers and long pods
- arabicization — the gradual change of a culture into one that incorporates Arab culture and/or speaks Arabic
- arachnephobia — Misspelling of arachnophobia.
- arachniphobia — Alternative form of arachnophobia.
- arachnivorous — Spider-eating.
- arachnoiditis — an inflammation of the arachnoid membrane
- arachnophobia — an abnormal fear of spiders
- arachnophobic — an abnormal or pathological fear of spiders.
- arbitrariness — subject to individual will or judgment without restriction; contingent solely upon one's discretion: an arbitrary decision.
- arbitrational — relating to, involving, or resulting from arbitration
- archaeologian — (archaic) An archaeologist.