12-letter words containing a, r
- actinomorphy — The condition of being actinomorphic.
- action grant — funds awarded by the federal government on a competitive basis to cities that submit plans for urban development and are able to show that such plans have the cooperation and endorsement of private investors.
- action group — a group of people who come together to fight for a particular cause or to carry out a particular task
- active layer — (in arctic or subarctic regions) the layer of soil, above the permafrost, that thaws during the summer.
- acylglycerol — (organic chemistry) Any ester of glycerol; glyceride.
- ad arbitrium — at pleasure; at will.
- adam osborne — (person) The ex-book publisher who founded Osborne Computer Corporation.
- adapter ring — a type of circular mount used for attaching a filter or some other piece of equipment to a camera lens
- adder's-meat — the greater stitchwort
- addlebrained — having an addle brain; muddled; stupid
- address book — An address book is a book in which you write people's names and addresses.
- address mask — (networking) (Or "subnet mask") A bit mask used to identify which bits in an IP address correspond to the network address and subnet portions of the address. This mask is often referred to as the subnet mask because the network portion of the address can be determined by the class inherent in an IP address. The address mask has ones in positions corresponding to the network and subnet numbers and zeros in the host number positions.
- adenosarcoma — a complex tumor containing both glandular and connective tissues.
- adenoviruses — Plural form of adenovirus.
- adiaphoresis — absence or reduction of perspiration.
- adiaphoretic — preventing or reducing perspiration.
- adiponitrile — a colorless liquid, C 6 H 8 N 2 , used chiefly as an intermediate in the manufacture of nylon.
- adjournments — Plural form of adjournment.
- adjudicators — Plural form of adjudicator.
- adjudicatory — relating to adjudication
- adjudicature — An act of adjudication; a judgment.
- adminiculary — Adminicular.
- administered — Simple past tense and past participle of administer.
- administrant — a person who administers
- administrate — to manage or direct (the affairs of a business, institution, etc)
- admirability — the quality of being admirable
- admonitorily — in an admonitory manner
- adolf hitler — Adolf [ad-olf,, ey-dolf;; German ah-dawlf] /ˈæd ɒlf,, ˈeɪ dɒlf;; German ˈɑ dɔlf/ (Show IPA), (Adolf Schicklgruber"der Führer") 1889–1945, Nazi dictator of Germany, born in Austria: Chancellor 1933–45; dictator 1934–45.
- adorableness — very attractive or delightful; charming: What an adorable hat!
- adrenalizing — to stir to action; excite: The promise of victory adrenalized the team.
- adrenochrome — a chemical pigment produced by the oxidation of adrenaline
- adrian quist — intoxicated; drunk
- adrianopolis — Edirne
- adriatic sea — an arm of the Mediterranean between Italy and the Balkan Peninsula
- adularescent — (of minerals, such as moonstone) having or emitting a milky or bluish iridescence
- adulterating — Present participle of adulterate.
- adulteration — an adulterating or being adulterated
- adulteresses — Plural form of adulteress.
- adulterously — In a adulterous manner.
- adventureful — an exciting or very unusual experience.
- adventurists — Plural form of adventurist.
- adverb group — An adverb group or adverbial group is a group of words based on an adverb, such as 'very slowly' or 'fortunately for us'. An adverb group can also consist simply of an adverb.
- adverbialize — to make (a word) into an adverb
- adversaryism — an attitude, as in labor-management negotiations, that any opposition to demands indicates an unwillingness of one side to cooperate and bargain in good faith.
- adversatives — Plural form of adversative.
- advertisable — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- advertorials — Plural form of advertorial.
- aelurophilia — ailurophilia.
- aelurophobia — ailurophobia.
- aeolian harp — a stringed instrument that produces a musical sound when a current of air or wind passes over the strings