13-letter words starting with ac
- acculturation — the process of conditioning a child to the patterns or customs of a culture
- acculturative — relating to or resulting in acculturation
- accumulations — Plural form of accumulation.
- accustomed to — customary; usual; habitual: in their accustomed manner.
- 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
- ace of spades — playing card, sometimes considered omen of death
- acetabuliform — saucer-shaped, as the fruiting bodies of certain lichens.
- acetaminophen — a white crystalline powder, CH3CONHC6H4OH, used for reducing fever and relieving pain
- acetanisidine — methacetin.
- acetate rayon — a synthetic textile fibre made from cellulose acetate
- acetate-rayon — Chemistry. a salt or ester of acetic acid.
- acetazolamide — a drug which operates by blocking the production of hydrogen ions and hydrogen carbonate, used to treat various conditions including epilepsy and glaucoma
- acetohexamide — (pharmaceutical drug) A sulfonylurea antidiabetic drug.
- acetylaniline — acetanilide.
- acetylbenzene — acetophenone.
- acetylcholine — a chemical substance secreted at the ends of many nerve fibres, esp in the autonomic nervous system, and responsible for the transmission of nervous impulses. Formula: CH3CO2(CH2)2N(CH3)3+
- achievability — The state or condition of being achievable.
- achill island — an island in the Republic of Ireland, off the W coast of Co Mayo. Area: 148 sq km (57 sq miles). Pop: 2620 (2002)
- achilles heel — Someone's Achilles heel is the weakest point in their character or nature, where it is easiest for other people to attack or criticize them.
- 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.
- acidification — The act or process of making something sour (acidifying), or changing into an acid.
- acidulousness — A state of or tendency toward being acidulous or somewhat sour or acid.
- acinetobacter — a bacterium that causes infections such as pneumonia, particularly in people who have a compromised immune system
- acknowledging — Present participle of acknowledg.
- 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.
- acotyledonous — Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc.
- acoustic hood — a type of shield that fits around electronic and other equipment, which reduces the noise generated when that equipment is being used
- acoustic mine — a naval mine designed to be exploded by the vibration of the propeller of a passing ship or by the sound of water along the hull.
- acoustooptics — the branch of physics dealing with the relationships between acoustics and light
- acquaintanced — Acquainted.
- acquaintances — Plural form of acquaintance.
- acquiescently — disposed to acquiesce or consent tacitly.
- acquirability — the attribute of being acquirable
- acquisitional — relating to the act of acquisition
- acquisitively — In an acquisitive manner; for the purpose of acquisition.
- 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