13-letter words containing a, c, i, d
- anaphylactoid — Of, pertaining to, or resembling anaphylaxis.
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.
- androdioecism — the state of being androdioecious
- anecdotically — in an anecdotical manner
- anti-academic — of or relating to a college, academy, school, or other educational institution, especially one for higher education: academic requirements.
- anti-dogmatic — relating to or of the nature of a dogma or dogmas or any strong set of principles concerning faith, morals, etc., as those laid down by a church; doctrinal: We hear dogmatic arguments from both sides of the political spectrum.
- anticipatedly — In an anticipated manner; in advance.
- antidesiccant — a substance applied to plants to prevent moisture loss during transplantation
- antidiuretics — Plural form of antidiuretic.
- antipesticide — opposed to the use of pesticides
- antispasmodic — preventing or arresting spasms, esp in smooth muscle
- antisudorific — an antiperspirant.
- aperiodically — In an aperiodic way.
- aphrodisiacal — having an aphrodisiac quality
- apodictically — incontestable because of having been demonstrated or proved to be demonstrable.
- appendiculate — having appendicles
- arachnoiditis — an inflammation of the arachnoid membrane
- archidiaconal — of or relating to an archdeacon or his office
- archimandrite — the head of a monastery or a group of monasteries
- architectured — Designed (according to a form of architecture, or as if by an architect).
- aridification — the process by which a humid region becomes increasingly dry, as by climatic change or human interference with the ecology.
- armistice day — the anniversary of the signing of the armistice that ended World War I, on Nov 11, 1918, now kept on Remembrance Sunday
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arthroconidia — Plural form of arthroconidium.
- arundinaceous — resembling a reed
- ascension day — the 40th day after Easter, when the Ascension of Christ into heaven is celebrated
- ascensiontide — the ten days from Ascension Day to the day before Whit Sunday
- ascorbic acid — Ascorbic acid is another name for vitamin C.
- aspartic acid — nonessential amino acid that is a component of proteins and acts as a neurotransmitter
- astrodynamics — the study of the motion of natural and artificial bodies in space
- at a discount — below the regular price
- audaciousness — Risky or daring behaviour.
- audience room — a room for holding formal interviews or hearings.
- audiocassette — a cassette containing audiotape
- audiographics — audiographic teleconferencing
- authenticated — Prove or show (something, esp. a claim or an artistic work) to be true or genuine.
- autodidactism — Alternative form of autodidacticism.
- autoschediasm — anything done with little forethought or preparation
- autoschediaze — to do or act with little forethought or preparation
- ayurvedically — As a practitioner of Ayurveda; in an Ayurvedic way.
- back and fill — to manoeuvre the sails by alternately filling and emptying them of wind to navigate in a narrow place
- backgrounding — Present participle of background.
- backpedalling — to retard the forward motion by pressing backward on the pedal, especially of a bicycle with coaster brakes.
- backwardation — the difference between the spot price for a commodity, including rent and interest, and the forward price
- bacteriocidal — Alternative spelling of bactericidal.
- badminton cup — a long refreshing drink of claret with soda water and sugar
- balanced diet — a diet consisting of the proper quantities and proportions of foods needed to maintain health or growth.
- balanced line — a transmission line in which the oppositely directed components are symmetrical with respect to each other and to the ground.
- baltic shield — the wide area of ancient rock in Scandinavia
- bandicoot rat — any of three burrowing rats of the genera Bandicota and Nesokia, of S and SE Asia: family Muridae