10-letter words that end in a
- anhydremia — an abnormal decrease in the volume of the blood, due to loss of water.
- anisocoria — inequality in the size of the pupils.
- anorgasmia — inability to experience sexual orgasm.
- antarctica — a continent around the South Pole: consists of an ice-covered plateau, 1800–3000 m (6000 ft to 10 000 ft) above sea level, and mountain ranges rising to 4500 m (15 000 ft) with some volcanic peaks; average temperatures all below freezing and human settlement is confined to research stations. All political claims to the mainland are suspended under the Antarctic Treaty of 1959
- antheridia — a male reproductive structure producing gametes, occurring in ferns, mosses, fungi, and algae.
- anthimeria — (rhetoric) The use of a word from one word class or part of speech as if it were from another. Typically, and for example, the use of a noun as if it were a verb.
- anthomania — an intense fondness for flowers
- antianemia — acting against anemia
- antiasthma — relating to drugs that act against asthma
- anticorona — a luminous edging around the shadow of an observer or the point where his or her shadow would fall, as thrown by the sun upon a cloud or fog bank.
- antinausea — preventing or alleviating nausea
- antiutopia — dystopia.
- aparavidya — intellectual knowledge.
- aphelandra — any shrub of the evergreen genus Aphelandra, originally from tropical America, widely grown as a house plant for its variegated shiny leaves and brightly coloured flowers: family Acanthaceae
- aphrodisia — the desire for sexual intimacy
- appalachia — a highland region of the eastern US, containing the Appalachian Mountains, extending from Pennsylvania to Alabama
- aqua regia — a yellow fuming corrosive mixture of one part nitric acid and three to four parts hydrochloric acid, used in metallurgy for dissolving metals, including gold
- aquaphobia — an abnormal fear of water, esp because of the possibility of drowning
- archegonia — the female reproductive organ in ferns, mosses, etc.
- area opaca — the opaque area of the blastoderm surrounding the area pellucida.
- arimathaea — a town in ancient Palestine. Matt. 27:57.
- armillaria — any of various fungi of the genus Armillaria, which are white-spored and cause wood rot. Many species are parasitic.
- arrhythmia — any variation from the normal rhythm in the heartbeat
- arthralgia — pain in a joint
- arthropoda — the phylum comprising the arthropods.
- asafoetida — a bitter resin with an unpleasant onion-like smell, obtained from the roots of some umbelliferous plants of the genus Ferula: formerly used as a carminative, antispasmodic, and expectorant
- asarabacca — a perennial evergreen Eurasian plant, Asarum europaeum, having kidney-shaped leaves and a single brownish flower: family Aristolochiaceae
- aspergilla — Plural form of aspergillum.
- aspersoria — Plural form of aspersorium.
- aspidistra — any Asian plant of the liliaceous genus Aspidistra, esp A. lurida, a popular house plant with long tough evergreen leaves and purplish flowers borne on the ground
- assafetida — asafetida
- asteroidea — the class comprising the starfishes.
- asthenopia — a strained condition of the eyes, often with headache, dizziness, etc.
- atheromata — Plural form of atheroma.
- autophagia — sustenance by self-absorption of the tissues of the body
- autophilia — Self love, especially sexual attraction to the self.
- autophobia — the fear of solitude or being alone
- autostrada — an Italian motorway
- auxocardia — enlargement of the heart, as by hypertrophy or dilatation.
- avellaneda — a city in E Argentina, an industrial suburb of Buenos Aires. Pop: 328 980 (2001)
- avicularia — Plural form of avicularium.
- aviophobia — fear of flying in an airplane or other aircraft.
- babia gora — the highest peak in Beskids mountain range, on the border of Poland and Slovakia. 5659 feet (1726 meters).
- bacillemia — the presence of bacilli in the blood.
- bacilluria — the presence of bacilli in the urine
- bacteremia — the presence of bacteria in the bloodstream
- balashikha — a city in the W Russian Federation in Europe: a NE suburb of Moscow.
- balenciaga — Cristobal (krisˈtoβal). 1895–1972, Spanish couturier
- baltic sea — a sea in N Europe, connected with the North Sea by the Skagerrak, Kattegat, and Öresund; shallow, with low salinity and small tides
- banderilla — a decorated barbed dart, thrust into the bull's neck or shoulder