13-letter words starting with a
- advising bank — a bank that advises the intended beneficiary of a letter of credit that it has received the letter of credit, checks documents presented by the beneficiary with the issuing bank, and issues funds to the beneficiary
- advocacy tank — a research and development institution that works to lobby government officials to adopt the institution's viewpoints.
- aerial camera — a camera used to take pictures from the air
- aerial ladder — a power-operated extending ladder mounted on a fire engine
- aerial survey — a survey carried out from the air, using an aeroplane or helicopter
- aerial tanker — an aircraft used to transport fuel or water
- aeroacoustics — the study of the generation and transmittance of sound by fluid flow
- aerodigestive — of or relating to the organs and tissues of the respiratory tract and the upper part of the digestive tract
- aerodontalgia — a toothache caused by lowered barometric pressure, as in high-altitude flight.
- aerodynamical — relating to aerodynamics
- aeroembolisms — Plural form of aeroembolism.
- aeroemphysema — A form of emphysema that results from rapid decompression.
- aerogenerator — a generator that is driven by winds
- aerolithology — the science of aerolites
- aeromagnetics — the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.
- aeromechanics — the mechanics of gases, esp air
- aeromodelling — the making and flying of model planes
- aerophilately — the study or collection of airmail stamps, cancellations, etc.
- aerosinusitis — inflammation of the nasal sinuses caused by the effect on the sinuses of changes in atmospheric pressure.
- aerosol spray — a substance contained as an aerosol in a spray can
- aerostructure — any separately manufactured unit, component, or section of an aircraft or other vehicle capable of flight
- aesthetically — in an aesthetic manner
- aestheticians — Plural form of aesthetician.
- aestheticized — Simple past tense and past participle of aestheticize.
- aestheticizes — Third-person singular simple present indicative form of aestheticize.
- affectability — the ability to be influenced or affected by something
- affectibility — The quality or state of being affectible.
- affectionally — In an affectional manner.
- affectionated — Simple past tense and past participle of affectionate.
- affectionless — showing no affection or kindly disposition towards
- affectiveness — The property of being affective.
- affenpinscher — a small wire-haired breed of dog of European origin, having tufts of hair on the muzzle
- affinity card — An affinity card is a type of credit card. The bank which issues the card gives a small amount of money to a charity or institution each time the customer spends a certain amount with their card.
- affirmatively — affirming or assenting; asserting the truth, validity, or fact of something.
- affirming gun — a gun fired by a warship to signal its intention to search a merchant vessel.
- affordability — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- afforestation — Afforestation is the process of planting large numbers of trees on land which has few or no trees on it.
- affreightment — a contract hiring a ship to carry goods
- aformentioned — Misspelling of aforementioned.
- african daisy — any of several composite plants native to Africa, especially of the genera Arctotis, Gerbera, and Lonas, having showy, daisylike flowers.
- african grape — a watermelon.
- african plate — a major tectonic division of the earth's crust, comprising the African continent as well as adjacent ocean basins (the Canary, Cape Verde, Angola, Cape Agulhas, Somali, Madagascar, and Natal Basins), and bounded on the north by the Eurasian and Arabian Plates, on the east by mid-ocean ridges (the Southwest Indian, Mid-Indian, and Carlsberg Ridges), on the south by the Antarctic Plate, and on the west by the Mid-Atlantic Ridge.
- african union — an organization of African states established in 2002 as successor to the OAU; it aims to encourage economic development and political stability through increased cooperation between its members
- afro-american — African-American
- after a while — some time later
- after-effects — harmful consequences, effects
- afternoon tea — Afternoon tea is a small meal you can have in the afternoon. It includes a cup of tea and food such as sandwiches and cakes.
- afterthoughts — Plural form of afterthought.
- aganglionosis — (medicine) A medical condition involving absence of ganglia.
- age allowance — an income tax allowance given to taxpayers aged 65 or over