13-letter words containing r
- accouterments — personal clothing, accessories, etc.
- accoutrements — all the things you have with you when you travel or take part in a particular activity, such as clothing and equipment
- accreditation — to ascribe or attribute to (usually followed by with): He was accredited with having said it.
- accroides gum — acaroid resin.
- accrual basis — An accrual basis is a system of accounting where income is recognized before payment is received and expenses are recognized before they are paid.
- acculturating — Present participle of acculturate.
- acculturation — the process of conditioning a child to the patterns or customs of a culture
- acculturative — relating to or resulting in acculturation
- ace inhibitor — any one of a class of drugs, including captopril, enalapril, and ramipril, that cause the arteries to widen by preventing the synthesis of angiotensin: used to treat high blood pressure and heart failure
- acetabuliform — saucer-shaped, as the fruiting bodies of certain lichens.
- acetate rayon — a synthetic textile fibre made from cellulose acetate
- acetate-rayon — Chemistry. a salt or ester of acetic acid.
- achilles jerk — a downward reflex action of the foot when the Achilles tendon is tapped, caused by contraction of the calf muscles.
- achromaticity — achromatism.
- achromatophil — Also, achromatophilic [ey-kruh-mat-uh-fil-ik, ak-ruh-, ey-kroh-muh-tuh-] /ˌeɪ krəˌmæt əˈfɪl ɪk, ˌæk rə-, eɪˌkroʊ mə tə-/ (Show IPA). having little or no affinity for stains.
- achromatopsia — a visual disorder defined by deficient or absent function in the retinal cones, resulting in colour blindness and in decreased vision in bright lights
- achromobacter — any of several rod-shaped bacteria of the genus Achromobacter, found in soil and water.
- acinetobacter — a bacterium that causes infections such as pneumonia, particularly in people who have a compromised immune system
- acne vulgaris — an inflammatory disease of the sebaceous glands, characterized by comedones and pimples, especially on the face, back, and chest, and, in severe cases, by cysts and nodules resulting in scarring.
- acne-vulgaris — an inflammatory disease of the sebaceous glands, characterized by comedones and pimples, especially on the face, back, and chest, and, in severe cases, by cysts and nodules resulting in scarring.
- acquirability — the attribute of being acquirable
- acrimoniously — caustic, stinging, or bitter in nature, speech, behavior, etc.: an acrimonious answer; an acrimonious dispute.
- acrobatically — In an acrobatic manner.
- acronymically — in an acronymic manner
- acrylaldehyde — acrolein.
- acrylic color — a color or paint made by mixing pigments in a solution of acrylic resin
- acrylic ester — any of a series of esters derived from the acrylic acids.
- acrylic fiber — any of a group of synthetic polymeric fibers composed at least 85 percent by weight of acrylonitrile units and made into fabrics
- acrylic fibre — a textile fibre, such as Orlon or Acrilan, produced from acrylonitrile
- acrylic resin — any of a group of polymers or copolymers of acrylic acid, its esters, or amides, used as synthetic rubbers, textiles, paints, adhesives, and as plastics such as Perspex
- acrylonitrile — a colourless liquid that is miscible with water and has toxic fumes: used in the manufacture of acrylic fibres and resins, rubber, and thermoplastics. Formula: CH2:CHCN
- acrylyl group — the univalent group C 3 H 3 O−, derived from acrylic acid.
- acting career — a person's career as an actor
- actinomorphic — (esp of a flower) having radial symmetry, as buttercups
- actinotherapy — radiotherapy, especially using ultraviolet rays.
- actinouranium — the isotope of uranium that has a mass number of 235
- action figure — a small figure of a character from a film, television programme, comic book etc, designed as a toy and often collected by enthusiasts
- action replay — An action replay is a repeated showing, usually in slow motion, of an event that has just been on television.
- active centre — the region in an enzyme molecule in which the reactive groups that participate in its action are juxtaposed
- active filter — An active filter is any filter using an op amp.
- active matrix — a liquid crystal display in which each pixel is individually controlled to provide a sharp image at a wide viewing angle; it is used in laptop and notebook computers
- active reason — an activity of intellect, embodying universal truth, potentially present in the mind of every individual, and when present, forming the only immortal part of the individual.
- active-matrix — of or relating to a high-resolution liquid-crystal display (LCD) with high contrast, the most common type of flat-panel display.
- actor-manager — a leading actor who produces and usually stars in his or her own productions: Sir Henry Irving was one of the first actor-managers.
- acupuncturist — An acupuncturist is a person who performs acupuncture.
- acylcarnitine — (organic chemistry) Any ester of carnitine and a carboxylic acid (especially a fatty acid).
- ad referendum — subject to agreement by others and finalization of details
- adam's bridge — a chain of shoals in the Gulf of Mannar between NW Sri Lanka and SE India; ownership divided between Sri Lanka and India. 30 miles (48 km) long.
- adder's-mouth — any of various orchids of the genus Malaxis that occur in all parts of the world except Australia and New Zealand and have small usually greenish flowers
- additive-free — (of food) not containing any chemical additives