13-letter words containing n, t, e, r
- antirheumatic — acting against rheumatism
- 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
- 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
- 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.
- apparentement — a coalition formed between political parties during an election.
- 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.
- apprenticeage — (obsolete) Apprenticeship.
- appropinquate — to approach
- appurtenances — accessories or equipment
- arbitrariness — subject to individual will or judgment without restriction; contingent solely upon one's discretion: an arbitrary decision.
- 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
- archimandrite — the head of a monastery or a group of monasteries
- architectonic — denoting, relating to, or having architectural qualities
- arena theater — a theater having a central stage without a proscenium, surrounded by seats
- argentiferous — containing or bearing silver
- argentine ant — a small brown ant, Iridomyrmex humilis, introduced into the southern U.S. from South America: a household and fruit pest.
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- argumentative — Someone who is argumentative is always ready to disagree or start quarrelling with other people.
- aridity index — a number indicating how much more precipitation could be lost by evapotranspiration if it were available than is actually lost at a given location.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arithmetician — a person skilled in arithmetic
- arm wrestling — a contest in which two people sit facing each other each with one elbow resting on a table, clasp hands, and each tries to force the other's arm flat onto the table while keeping his own elbow touching the table
- armamentarium — the items that comprise the material and equipment used by a physician in his professional practice
- armstand dive — a dive starting from a handstand at the end of a springboard or a platform with the diver's back to the water.
- arretine ware — a red-glazed terracotta pottery produced in Tuscany from 100 b.c. to a.d. 100 and widely traded.
- arseniuretted — combined with arsenic so as to form an arsenide.
- arterializing — Present participle of arterialize.
- arteriovenous — of, relating to, or affecting an artery and a vein
- artesian well — well sunk through impermeable strata receiving water from an area at a higher altitude than that of the well
- ascertainable — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- ascertainably — In a way that can be ascertained.
- ascertainment — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- assertiveness — confidently aggressive or self-assured; positive: aggressive; dogmatic: He is too assertive as a salesman.
- astereognosis — inability to recognize objects by touch
- asthenosphere — a thin semifluid layer of the earth (100–200 km thick), below the outer rigid lithosphere, forming part of the mantle and thought to be able to flow vertically and horizontally, enabling sections of lithosphere to subside, rise, and undergo lateral movement
- at every turn — If you say that something happens at every turn, you are emphasizing that it happens frequently or all the time, usually so that it prevents you from achieving what you want.
- aten asteroid — one of a small group of asteroids whose orbits cross that of the earth and whose semimajor axes are smaller than that of the earth.
- athenagoras i — (Aristocles Spyrou) 1886–1972, Archbishop Ecumenical of Constantinople and Ecumenical Patriarch of the Greek Orthodox Church 1948–72.