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Amphibious automobile
An amphibious automobile is a road-capable motor vehicle that operates on both land and water, best known through the wartime DUKW and the Amphicar 770, the only mass-produced civilian model, sold from 1961 to 1965.
Amphibious Combat Vehicle
The Amphibious Combat Vehicle (ACV) is an eight-wheeled amphibious armored vehicle built by BAE Systems for the United States Marine Corps, replacing the tracked Assault Amphibious Vehicle.
Amphibious transport dock
An amphibious transport dock (LPD) is a warship that carries and lands a landing force by landing craft, amphibious vehicles, and helicopters for expeditionary warfare missions.
Amphibious vehicle
An amphibious vehicle, also called an amphibian vehicle, is a self-propelled vehicle that can travel both on land and in water, from the WWII Landing Vehicle Tracked to the Marine Corps' modern ACV.
Amphibious warfare
Amphibious warfare: military operations launched from the sea by an amphibious force to land forces within the littorals. Covers assault, raid, withdrawal types; Gallipoli-to-Normandy history; OMFTS doctrine; US 31-ship fleet and PLA brigades.
Amphibole
Amphibole, or the amphibole group, is a supergroup of rock-forming inosilicate minerals defined by a double chain of silica tetrahedra, abundant in intermediate igneous and metamorphic rocks.
Amphibolite
Amphibolite is a coarse-grained metamorphic rock composed mainly of hornblende and plagioclase, formed from basalt or gabbro, and quarried for highway aggregate and as dimension stone sold as black granite.
Amphicar
The Amphicar, also sold as the Aquacar, is an amphibious automobile built in West Germany from 1960 to 1968, with 3,878 made, mostly for the United States.
Amphicyon
Amphicyon is an extinct Miocene genus of bear-dogs (Amphicyonidae), type species A. major Blainville 1841, known from Europe, North America, Asia, and Africa, with three North American species from about 18 to 14 Ma.
Amphioctopus
Amphioctopus P. Fischer, 1882 is a genus of benthic incirrate octopuses in Octopodidae, including A. fangsiao, A. aegina, and A. kagoshimensis; molecular data support its monophyly, though ITIS lists it as a junior synonym of Octopus.
Amphioctopus fangsiao
Amphioctopus fangsiao, also Octopus ocellatus, gold-ringed or short-arm octopus, is a small East Asian ocellate octopus fished from northern Japan to the South China Sea, holobenthic with large eggs and a sequenced genome.
Amphioctopus marginatus
Amphioctopus marginatus, the veined or coconut octopus (Taki, 1964), is an Indo-Pacific benthic octopus known for carrying coconut shell halves as portable shelters, documented tool use, and bipedal walking.
Amphioxus genome
The amphioxus genome is the sequenced genome of the Florida lancelet, Branchiostoma floridae, first published in 2008; lacking whole-genome duplication, it anchors reconstruction of the ancestral chordate genome.
Amphiphysin
Amphiphysin (AMPH1/BIN1, amphiphysin 1 and 2) is a BAR domain adaptor protein family linking clathrin, AP-2, and dynamin in synaptic vesicle endocytosis, and a paraneoplastic autoantigen in stiff-person syndrome with breast or lung cancer.
Amphipoda
Amphipoda, amphipods or scuds, sideswimmers, sandhoppers: an order of compressed peracarid crustaceans with three pairs of pleopods and uropods, about 10,900 accepted species across marine, freshwater, terrestrial, and deep-sea habitats.
Amphipora
Amphipora (type species A. ramosa) is an extinct Devonian genus of dendroid stromatoporoid sponges with slender, spaghetti-like branching skeletons, typical of restricted inner-platform lagoonal carbonates across Europe, North America, Asia, and Australia.
Amphissa Tholos
The Amphissa Tholos is an intact Mycenaean tholos tomb at Amfissa in Phocis, Central Greece, excavated in 2014 and dated to the 13th to 11th century BC.
Amphitheater at Castrum Rauracense
Amphitheater at Castrum Rauracense (Kaiseraugst): a Late Roman military amphitheater discovered in 2021 next to the castrum on the Rhine, Switzerland; 56 × 42.66 m elliptical arena, stone podium wall, wooden stands, built circa 4th century, probably by legio I Martia.
Amphitheater Birten
The Amphitheater Birten is a Roman earth-and-timber amphitheater in the Birten district of Xanten, Germany, built in the 1st century AD beside the legionary fortress Vetera.
Amphitheater of Alba Fucens
Amphitheater of Alba Fucens: 1st-century AD Roman amphitheater at the Latin colony of Alba Fucens, Abruzzo, Italy; carved into the San Pietro hillside, about 96 x 79 m exterior, funded by testament of Tiberius's praetorian prefect Q. Naevius Cordus Sutorius Macro.
Amphitheater of Anazarbos
Amphitheater of Anazarbos (Anazarbus, Anavarza): small Roman amphitheatre, 83 x 62 m, in Cilicia, Turkey; one of only three attested in Asia Minor; stone-built, dismantled, site of martyrdoms.
Amphitheater of Dura-Europos
Amphitheater of Dura-Europos, Roman amphitheater at the edge of the military camp in Dura-Europos, Syria. Yale excavators dated it to the 210s CE; Simon James places a military presence from the 180s, with the building possibly serving civilians too.
Amphitheater of Thizica
The Amphitheater of Thizica is a small Roman amphitheater at the ancient town of Thizica, identified with Henchir Techga near Mateur in northern Tunisia, seating about 3,200 spectators.
Amphitheatre
An amphitheatre is an open-air oval, elliptical, or circular building of classical Roman type, with a central arena surrounded on all sides by tiered seating for gladiatorial spectacles.
Amphithéâtre Gallo-Romain
An amphithéâtre gallo-romain (Gallo-Roman amphitheatre) is a Roman entertainment building in Gaul, with seating around a central arena for gladiatorial fights, beast hunts, and executions.
Amphitheatre of El Jem (Tunisia)
Roman amphitheatre at El Jem, Tunisia, ancient Thysdrus, built around 238 AD, likely under Gordian I; 148 x 122 m, about 35,000 seats, free-standing stone construction, UNESCO World Heritage since 1979.
Amphitheatrum Castrense
Amphitheatrum Castrense (Anfiteatro Castrense), an early 3rd-century Roman amphitheatre built under Elagabalus at the Sessorian palace, Rome; incorporated into the Aurelian Walls in 271 and one of two surviving amphitheatres in the city.
Amphitrite (Ἀμφιτρίτη)
Amphitrite (Ἀμφιτρίτη), Greek sea goddess and wife of Poseidon, a Nereid in Hesiod but a sea metonym in Homer; queen of the sea, mother of Triton, worshiped with Poseidon at Tenos.
Amphitrites Patera
Amphitrites Patera, also Mare Amphitrites, is a low-relief shield-like volcano about 130 km across on the south rim of Mars' Hellas basin, one of the oldest Martian central-vent volcanoes at roughly 3.6 billion years.
Amphiuma
Amphiuma (amphiumas, congo eels, congo snakes): the only extant genus of the salamander family Amphiumidae, with three eel-like aquatic species endemic to the southeastern US coastal plain, sister to Plethodontidae.