11-letter words starting with a
- acerbically — in an acerbic manner
- acetabulums — Plural form of acetabulum.
- acetanilide — a white crystalline powder used in the manufacture of dyes and rubber, as an analgesic in medicine, and as a precursor in penicillin manufacture. Formula: C6H5NHCOCH3
- acetic acid — Acetic acid is a colourless acid. It is the main substance in vinegar.
- acetoacetic — (organic chemistry) Of or pertaining to acetoacetic acid or its derivatives.
- acetobacter — any of several ellipsoidal or rodshaped aerobic bacteria of the genus Acetobacter, certain species of which are used in making vinegar.
- acetylating — Present participle of acetylate.
- acetylation — to introduce one or more acetyl groups into (a compound).
- acetylative — introducing an acetyl group into a chemical compound
- acey-deucey — a variation of the game of backgammon, in which the throw of a 1 and a 2 has special value
- achaemenian — of or relating to the Achaemenids or their language, as recorded in cuneiform inscriptions.
- acharnement — (archaic) Savage fierceness; ferocity.
- achievement — An achievement is something which someone has succeeded in doing, especially after a lot of effort.
- achlamydate — not chlamydate; having neither mantle nor pallium.
- achondrites — Plural form of achondrite.
- achondritic — (geology) Of or pertaining to achondrite, a type of stony meteorite.
- achromatism — the condition or quality of being achromatic; lack of color
- achromatize — to make achromatic; to remove colour from
- achromatous — having little or no colour or less than is normal
- acid number — a number indicating the amount of free acid present in a substance, equal to the number of milligrams of potassium hydroxide needed to neutralize the free fatty acids present in one gram of fat or oil
- acid reflux — the regurgitation of stomach acid into the oesophagus, causing heartburn
- acid-loving — (of a plant) requiring a pH of 4.5 to 5.5 for optimal growth.
- acid-washed — (of a denim garment) processed with a bleach solution so that the color becomes faded and grayish.
- acidanthera — any plant of the African cormous genus Acidanthera, cultivated for its graceful tubular white and red or white and purple flowers, often scented: family Iridaceae
- acidimeters — Plural form of acidimeter.
- acidimetric — (chemistry) Describing a titration in which the titrant is an acid.
- acidophilic — easily stained with acid dyes
- acidophilus — a lactic-acid-producing bacterium primarily found in live yoghurt, useful in restoring bacterial balance in the intestine
- acidulating — Present participle of acidulate.
- acidulation — to make somewhat acid.
- acidulously — In a acidulous manner; in a mildly sour or acid way.
- acinaciform — (of leaves) shaped like a scimitar; curved
- acknowledge — If you acknowledge a fact or a situation, you accept or admit that it is true or that it exists.
- acmesthesia — awareness of sharp points through the sense of touch without experiencing pain.
- acoelomates — Plural form of acoelomate.
- acorn chair — a Jacobean chair having a crossrail with acorn-shaped pendants.
- acorn clock — a mantel clock of the first half of the 19th century, having the upper part of the case shaped with a double ogee curve to resemble an acorn.
- acorn spoon — a spoon having an acornlike ornament at the end of its stem.
- acorn sugar — quercitol.
- acorn valve — a small electronic valve, approximately acorn-shaped with small closely-spaced electrodes, used in ultrahigh-frequency applications
- acoustician — an expert in acoustics
- acquaintant — (rare) An acquaintance.
- acquainting — to make more or less familiar, aware, or conversant (usually followed by with): to acquaint the mayor with our plan.
- acquiescent — Someone who is acquiescent is ready to agree to do what someone wants, or to accept what they do.
- acquiescing — to assent tacitly; submit or comply silently or without protest; agree; consent: to acquiesce halfheartedly in a business plan.
- acquiesence — A state or instance of acquiescing or passively accepting something, without necessarily consenting to it.
- acquirement — an acquiring or being acquired
- acquisition — If a company or business person makes an acquisition, they buy another company or part of a company.
- acquisitive — If you describe a person or an organization as acquisitive, you do not approve of them because you think they are too concerned with getting new possessions.
- acquisitory — tending or seeking to acquire and own, often greedily; eager to get wealth, possessions, etc.: our acquisitive impulses; acquisitive societies.