All articles A–Z

Ambrose Pelargus

Ambrose Pelargus (Ambrosius Pelargus, born Ambrosius Storch) was a German Dominican theologian who defended the Mass and infant baptism against the Reformation and served at the Council of Trent.

Ambrose Spellman

Ambrose Spellman is a fictional warlock and cousin of Sabrina Spellman from the Archie Comics universe. He is a witty, pansexual necromancer who appears in the Netflix series.

Ambrose Swasey

Ambrose Swasey (1846–1937) was an American mechanical engineer who co-founded the Warner & Swasey Company of Cleveland and designed the mountings of the world's two largest refracting telescopes.

Ambrosi Khelaia

Ambrosi Khelaia (ამბროსი ხელაია), born Besarion Khelaia, was a Georgian churchman and scholar who served as Catholicos-Patriarch of All Georgia from 1921 until his death in 1927.

Ambrosia (ἀμβροσία), paired with nectar (νέκταρ), is the food of the gods in Greek myth, cognate with Sanskrit amrita; it confers immortality, preserves corpses, and is never given an ingredient or origin.

Ambrosia (band)

Ambrosia, American rock band formed 1970 in Los Angeles by David Pack, Joe Puerta, Christopher North, and Burleigh Drummond; prog-to-soft-rock group behind "How Much I Feel" and "Biggest Part of Me," linked to Alan Parsons, still touring with two original members.

Oct 21, 2026

Ambrosia artemisiifolia

Ambrosia artemisiifolia (common or short ragweed) is a North American annual Asteraceae herb, invasive in Europe and Asia, whose highly allergenic pollen, led by the major allergen Amb a 1, causes hay fever and asthma in millions.

Ambrosian hymns

Ambrosian hymns are Latin hymns in four-line iambic dimeter stanzas introduced by Ambrose, Bishop of Milan, during the Arian controversy, with about fourteen hymns now attributed to him and many later imitations.

Ambrosian Iliad

The Ambrosian Iliad, also known as Ilias picta, is a fragmentary 5th- or 6th-century illuminated manuscript of Homer's Iliad kept in Milan.

Sep 24, 2026

Ambrosio O'Higgins

Ambrosio O'Higgins was an Irish-born Spanish colonial administrator who served as governor of Chile from 1788 and viceroy of Peru from 1796 until his death in 1801.

Ambrosius Aurelianus

Ambrosius Aurelianus (Emrys) was a fifth-century Romano-British leader against the Saxons, described by Gildas in De Excidio Britanniae as the last of his Roman family, parents killed; later linked to Badon, Vortigern, Merlin, and Arthur's uncle.

Ambrosius Autpertus

Ambrosius Autpertus, also Ambrose Autpert, was a Frankish monk and abbot of San Vincenzo al Volturno who died in 784, the first early medieval Mariologist in the West.

Ambrosius Catharinus

Ambrosius Catharinus, born Lancellotto Politi, was a Sienese jurist turned Dominican who wrote against Luther from 1520 and was a papal theologian at the Council of Trent.

Ambrosius Lobwasser

Ambrosius Lobwasser (1515–1585) was a Saxon jurist and professor of law at Königsberg whose German verse translation of the Genevan Psalter served German Reformed churches for over 200 years.

Ambrotype

An ambrotype is a unique photograph made by underexposing a collodion negative on glass and backing it with black, making it appear positive; popular from the 1850s.

Ambroxol

Ambroxol, a mucolytic metabolite of bromhexine marketed since 1973, thins airway mucus and shows anti-inflammatory, antioxidant, surfactant-stimulating, and local anesthetic actions; studied for COPD, sore throat, and Gaucher/Parkinson disease.

Sep 27, 2026

Ambrozie-Irineu Darău

Ambrozie-Irineu Darău is a Romanian politician of the Save Romania Union (USR) and a computer scientist who served as Minister of Economy and is a senator for Brașov.

Oct 21, 2026

Ambrym (island)

Ambrym: volcanic island in Vanuatu's Malampa Province, a basaltic shield volcano with a 12-km caldera and the active Benbow and Marum craters, former lava lakes, ~5 Gg/day SO2, eruptions since 1774.

Ambuchanania

Ambuchanania, with its single species Ambuchanania leucobryoides (daisy pan moss), is a monotypic Tasmanian moss genus in the Sphagnopsida, sister to Eosphagnum, endemic to southwest Tasmania's quartzite sandy washes and listed as rare.

Sep 19, 2026

Ambuja Cements

Ambuja Cements, earlier Gujarat Ambuja Cements, is an Indian cement manufacturer founded by Narotam Sekhsaria in 1983, headquartered in Ahmedabad and owned by the Adani Group since its 2022 acquisition.

Ambulance

Ambulance: emergency vehicle providing medical care and patient transport, from BLS to ALS units. Covers ALS vs BLS outcomes, response-time evidence, Anglo-American and Franco-German models, and history from Larrey to Freedom House.

Ambulance (2022 film)

Ambulance (2022) is a Michael Bay American action thriller, a remake of the Danish film Ambulancen (2005), starring Jake Gyllenhaal, Yahya Abdul-Mateen II, and Eiza González; a $40 million, 36-day Los Angeles shoot that opened to $8.7 million domestically and mixed reviews.

Ambulatory blood pressure

Ambulatory blood pressure (ABPM): 24-hour cuff-based out-of-office blood pressure measurement during daily life. Reference standard for confirming hypertension; distinguishes white-coat from masked hypertension; daytime threshold 135/85 mmHg.

Ambulatory care

Ambulatory care, also called outpatient care, is medical care for patients not formally admitted to a hospital bed, ranging from physician offices to surgery centers.

Sep 29, 2026

Ambulatory electrocardiography

Ambulatory electrocardiography (AECG) records the heart's electrical activity over hours to years while patients follow their usual routines, using portable devices such as Holter monitors to detect intermittent arrhythmias.

Sep 29, 2026

Ambulatory monitoring

Ambulatory monitoring is the recording of physiological signals, chiefly blood pressure, ECG, and activity, during patients' daily lives, using ABPM, Holter and patch recorders, and implantable loop devices.

Oct 20, 2026

Ambulatory Surgical Procedures

Ambulatory surgical procedures, also called outpatient or same-day surgery, are operations without overnight hospitalization, performed in ASCs or hospital outpatient departments; Medicare's CY 2026 rule phases out the inpatient-only list and expands the ASC covered procedures list.

Ambulocetus

Ambulocetus natans, the walking-swimming whale, an Eocene amphibious archaeocete from Pakistan's Kuldana Formation, described 1994; otter-like swimmer with webbed hind feet, crocodile-like feeding, about 4 meters long.