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Amoron'i Mania Region
Amoron'i Mania (MG.22) is a region of Madagascar's Central Highlands, capital Ambositra, 16,141 km², 837,116 people (2018), four districts, Betsileo majority, rice and woodcraft economy.
Amorpha fruticosa
Amorpha fruticosa, the false indigo bush, is a North American legume shrub with purplish blue flowers that has become a major invasive plant in Europe.
Amorphis
Amorphis is a Finnish metal band formed in Helsinki in 1990, also called a Kalevala metal band. Founded by Jan Rechberger, Esa Holopainen, and Tomi Koivusaari, it evolved from death metal on The Karelian Isthmus (1992) to progressive folk metal, with lyrics from the Finnish epic Kalevala and 15 albums through Borderland (2025).
Amorphization
Amorphization is the transformation of a crystalline solid into an amorphous, disordered state, typically caused in semiconductor manufacturing when implanted energetic ions displace lattice atoms; annealing then restores the crystal by solid-phase epitaxy.
Amorphophallus
Amorphophallus (titan arum, konjac, elephant foot yam) is a genus of about 240-246 tuberous aroid herbs native to Africa, Madagascar, Asia, and N. Australia, known for foul-smelling, thermogenic inflorescences and food and medicinal corms.
Amorphophallus konjac
Amorphophallus konjac (konjac, konnyaku, devil's tongue, hua mo yu) is an Araceae tuber from Yunnan, China, cultivated about 2,000 years; its corm stores konjac glucomannan (over 50% of carbohydrates) used for gels, noodles, and supplements.
Amorphophallus paeoniifolius
Amorphophallus paeoniifolius, elephant foot yam (巨花蒟蒻), is an Araceae tuber crop of tropical Asia to northern Australia; its corms to 15 kg are a major carbohydrate food in India and Indonesia, with foul-smelling, heat-generating inflorescences.
Amorphous calcium carbonate
Amorphous calcium carbonate (ACC) is a non-crystalline, metastable form of calcium carbonate that serves as the precursor to the crystalline minerals calcite, vaterite, and aragonite.
Amorphous carbon
Amorphous carbon is a carbon material without long-range crystalline order, bonding through a mix of sp² and sp³ hybridization rather than diamond's or graphite's single type.
Amorphous ice
Amorphous ice is a glassy form of solid water whose molecules lack crystalline order, made by freezing water too fast for crystals to form; it abounds in outer space.
Amorphous metal
An amorphous metal, also called a metallic glass, is an alloy with a disordered, glass-like atomic structure instead of a crystal lattice, first produced in 1960.
Amorphous molybdenum sulfide hydrogen evolution catalyst
Amorphous molybdenum sulfide (a-MoSx) is a non-crystalline, sulfur-rich molybdenum sulfide used as a noble-metal-free electrocatalyst for hydrogen evolution, outperforming crystalline MoS2 by exposing active sulfur sites throughout the material.
Amorphous oxide semiconductor
An amorphous oxide semiconductor is a non-crystalline metal-oxide compound that keeps useful semiconductor behavior. The leading example, a-IGZO, was demonstrated by Hideo Hosono's group in 2004 and commercialized in displays from 2012.
Amorphous oxide semiconductor back-end-of-line integration
Amorphous oxide semiconductor back-end-of-line (BEOL) integration fabricates IGZO thin-film transistors within a chip's interconnect layers after silicon CMOS is finished, below a 400 °C thermal limit.
Amorphous oxide transparent conductor
An amorphous oxide transparent conductor is a non-crystalline metal oxide film that conducts electricity while remaining transparent. IGZO, its best-known member, has been used in flat-panel displays since 2012.
Amorphous set
An amorphous set is an infinite set that cannot be partitioned into two disjoint infinite subsets; such sets can exist only in Zermelo–Fraenkel set theory without the axiom of choice.
Amorphous silicon
Amorphous silicon (a-Si) is a non-crystalline form of silicon, usually hydrogenated and deposited as a thin film, used in thin-film solar cells and LCD pixel-switching transistors.
Amorphous silicon solar cell
An amorphous silicon solar cell is a thin-film photovoltaic device using non-crystalline silicon, first made at RCA in 1976 and now used chiefly in calculators and indoor devices, limited by light-induced degradation.
Amorphous solid
An amorphous solid, also called a non-crystalline solid, is a solid whose atoms lack the long-range repeating order of a crystal, with glass as the standard example.
Amorphous topological insulator
An amorphous topological insulator is a topological insulating phase in a system with no long-range positional order, showing band topology survives without crystalline symmetry; disorder can even induce it.
Amorphous topological metamaterials
Amorphous topological metamaterials are engineered structures without long-range order that nonetheless support topologically protected wave transport, first demonstrated in 2018 with mechanical lattices of coupled gyroscopes.
Amortage
AMORTAGE is the debut EP by BLACKPINK's JISOO (지수), released February 14, 2025 on Blissoo and Warner Records; four dance-pop tracks including "earthquake," her first solo release after leaving YG Entertainment.
Amortization (accounting)
Amortization in accounting is the systematic allocation of an intangible asset's cost, such as a patent or customer list, over its useful life, mirroring depreciation for physical assets.
Amortization calculator
An amortization calculator computes a loan's fixed periodic payment from its principal, interest rate, and term, and produces a schedule showing how each payment divides between interest and principal.
Amortized analysis
Amortized analysis, also called amortized complexity, is a computer science technique that bounds the average cost per operation over a sequence, using the aggregate, accounting, or potential method.
Amortized inference
Amortized inference is a machine learning approach that trains a model once, so posterior estimates for new data come in a single forward pass instead of fresh optimization.
Amory Lovins
Amory Lovins is an American energy policy analyst and consultant physicist who co-founded RMI in 1982 and is known for the soft energy path, the negawatt, and integrative design.
Amos 'n' Andy
Amos 'n' Andy, also Sam 'n' Henry, was a radio comedy by white actors Freeman Gosden and Charles Correll voicing Black characters, a 40-million-listener 1930s phenomenon, later a 1951-1953 CBS TV series with an all-Black cast canceled after NAACP protest.
AMOS (software)
IBM SPSS Amos (Analysis of Moment Structures) is a commercial software package for structural equation modeling, developed by James L. Arbuckle and sold by IBM.
Amos (עָמוֹס) (prophet)
Amos (עָמוֹס) was a prophet from Tekoa in Judah who preached in the northern kingdom of Israel around 750 BCE, during the reigns of Uzziah and Jeroboam II.