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Avner Friedman
Avner Friedman is a mathematician and Distinguished University Professor at Ohio State University known for work on partial differential equations, free boundary problems, industrial mathematics, and mathematical biology.
Avner Rothschild
Avner Rothschild (אבנר רוטשילד) is an Israeli materials scientist and Technion professor known for decoupled water electrolysis and co-founding H2Pro; he received the Samson Prime Minister's Prize in 2020.
Avni Rustemi
Avni Rustemi (1895–1924) was an Albanian revolutionary, teacher, and democratic activist who shot Esad Pasha Toptani in Paris in 1920 and was acquitted by a French court.
Avni Yıldırım
Avni Yıldırım (Mr. Robot), born 1991, Turkish professional boxer at super middleweight and light heavyweight; challenged Dirrell (2019) and Canelo Álvarez (2021) for world super middleweight titles, losing both; record about 28-5.
Avnish Bajaj
Avnish Bajaj is an Indian venture capital investor who co-founded Matrix Partners India in 2006, rebranded as Z47 in 2024, and backed Ola, Quikr, and Practo.
Avobenzone
Avobenzone (butyl methoxydibenzoylmethane), also sold as Parsol 1789, is an oil-soluble organic sunscreen filter that absorbs UVA light; patented in 1973, it degrades in sunlight and is typically stabilized with octocrylene.
Avocado
Avocado (Persea americana), a Mesoamerican evergreen laurel tree domesticated over millennia, now the fastest-growing major tropical fruit: 2.8 Mt exported in 2024, projected 14 Mt production by 2034, with high water footprint concerns.
Avocado oil
Avocado oil, a fruit-pulp oil from Persea americana mesocarp (not the seed), is rich in oleic acid (>50%), lutein, vitamin E, and β-sitosterol; extracted by cold pressing, solvent, or SC-CO2, used in food and cosmetics.
Avocado toast
Avocado toast, also known as smashed avocado, is a dish of crushed avocado on toasted bread, popularized by Australian café culture and Bill Granger around 1993.
Avogadro (lunar crater)
Avogadro is a 129.84 km-wide impact crater on the Moon's northern far side, centered near 63°N, 165°E, named for Italian physicist Amedeo Avogadro and IAU-approved in 1970.
Avogadro constant
The Avogadro constant, also known as Avogadro's number, is the number of particles in one mole of a substance, fixed exactly at 6.02214076 × 10²³ per mole since 2019.
Avogadro project
The Avogadro project is an international metrology effort that determined the Avogadro constant by counting atoms in an almost perfectly round 1 kg sphere of silicon-28.
Avogadro's law
Avogadro's law, also called Avogadro's hypothesis or Avogadro's principle, states that a gas's volume is proportional to its amount in moles at constant pressure and temperature.
Avoidance behaviour
Avoidance behavior is behavior that prevents or reduces contact with an anticipated threat. Adaptive against danger, it becomes maladaptive in anxiety disorders, PTSD, and OCD, which it maintains.
Avoidance task
An avoidance task is a behavioral paradigm in which an animal or person learns a response that prevents or terminates an aversive stimulus, typically electric shock.
Avoidant or restrictive eating
Avoidant or restrictive eating (ICD-11 MB29.0) is a limited diet defined by dietary composition or sensory features inconsistent with cultural norms; when persistent and harmful it is ARFID (6B83), an eating disorder without body-image concerns, introduced in DSM-5 2013 and ICD-11.
Avoidant personality disorder
Avoidant personality disorder (AvPD): a Cluster C personality disorder of social inhibition, inadequacy feelings, and rejection hypersensitivity; four of seven DSM criteria required; prevalence about 1.5%-2.5%; overlaps controversially with social anxiety disorder.
Avoidant/restrictive food intake disorder
Avoidant/restrictive food intake disorder (ARFID), also called avoidant restrictive food intake disorder, is an eating disorder added to DSM-5 in 2013, marked by restricted eating from sensory sensitivity, fear of aversive consequences, or lack of interest, without weight or shape concerns.
Avoided crossing
An avoided crossing is a quantum-mechanical situation in which two energy levels that would cross as a parameter varies instead repel, a consequence of the non-crossing rule for states of the same symmetry.
Avoirdupois
Avoirdupois is a system of weights based on a pound of 16 ounces, or 7,000 grains, that serves as the everyday mass system of commerce in the United States.
Avolition
Avolition, reduced initiation and persistence of goal-directed activity, is a core negative symptom of schizophrenia, central in symptom networks, a strong predictor of poor functional outcome, and currently lacking approved drug treatment.
Avolta
Avolta AG is a Swiss travel retail and food & beverage company formed in 2023 from the merger of Dufry and Autogrill, headquartered in Basel with outlets in over 75 countries.
Avon Barksdale
Avon Randolph Barksdale is a fictional drug kingpin in the HBO television series The Wire, the leader of a West Baltimore drug organization, played by Wood Harris.
Avon Products
Avon Products, originally the California Perfume Company, is an American direct-selling beauty company founded in 1886 by David H. McConnell; its holding company filed for bankruptcy in 2024.
Avondale College
Avondale College is a co-educational state secondary school in Avondale, Auckland, New Zealand, opened in 1945 on the site of an American naval hospital and offering both NCEA and Cambridge International qualifications.
Avondale Mill Historic District
The Avondale Mill Historic District is a National Register historic district in Pell City, Alabama, preserving the remains of a cotton mill and its company-built mill village, listed in 2000.
Avondale Shipyard
Avondale Shipyard, also known as Avondale Industries, was a shipyard on the Mississippi River near New Orleans that built Navy amphibious ships for 76 years until 2014.
Avoro Ventures
Avoro Ventures is a New York-based venture capital firm investing in development-stage life sciences and biotechnology companies, the private-market venture affiliate of Avoro Capital Advisors.
Avosentan
Avosentan, also known as SPP301, is an endothelin receptor antagonist developed for diabetic nephropathy and abandoned after its phase 3 ASCEND trial was stopped early for congestive heart failure.
Avotermin
Avotermin (Juvista), recombinant human TGF-beta 3 from Renovo, was an intradermal prophylactic scar-improvement drug; positive phase I/II trials preceded its 2011 phase III failure.