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Basal body temperature
Basal body temperature (BBT) is the resting body temperature used in fertility awareness; progesterone raises it 0.5-1 degree F after ovulation, but it confirms ovulation only after it occurs, limiting contraceptive effectiveness.
Basal cell of epidermis
A basal cell of the epidermis is a keratinocyte in the stratum basale, the innermost epidermal layer on the basement membrane, whose divisions supply all differentiated skin cells.
Basal ganglia
Basal ganglia (basal nuclei): interconnected subcortical brain nuclei (caudate, putamen, globus pallidus, subthalamic nucleus, substantia nigra) that modulate voluntary movement via direct and indirect striatal pathways; dysfunction causes Parkinson disease, Huntington disease, and dystonia.
Basal metabolic rate
Basal metabolic rate, also called basal metabolism, is the rate of energy use by an organism at complete rest, measured after an overnight fast in thermoneutral conditions.
Basal sliding
Basal sliding is the movement of glacier ice over its bed, controlled by water pressure at the base and one of three processes of glacier motion.
Basal-cell carcinoma
Basal cell carcinoma of skin (BCC), also called basal cell cancer, is the most common skin cancer, arising in the lower epidermis, driven by Hedgehog pathway mutations and UV exposure, rarely metastasizing, treated mainly by excision or Mohs surgery.
Basalt
Basalt, or basaltic rock, is a dark, fine-grained volcanic igneous rock with 45 to 53 percent silica that forms most lava flows and the oceanic crust.
Basalt fiber
Basalt fiber is an inorganic fiber made by melting volcanic basalt rock and drawing it into filaments, offering strength between E-glass and carbon fiber at lower cost.
Basalt Infrastructure Partners
Basalt Infrastructure Partners, formerly Balfour Beatty Infrastructure Partners, is a mid-market infrastructure private equity firm founded in 2011, based in London and New York.
Basan (crater on Iapetus)
Basan is a 76-km-wide impact crater on Saturn's moon Iapetus at 33.3°N, 194.7°W, IAU-approved in 1982 and named for a French baron in the Song of Roland murdered while ambassador of Marsilion.
Basant Maheshwari
Basant Maheshwari (बसंत महेश्वरी) is a Kolkata-based equity investor, author of the 2014 book The Thoughtful Investor, and co-founder of Basant Maheshwari Wealth Advisers LLP.
Basant Maheshwari Wealth Advisers LLP
Basant Maheshwari Wealth Advisers LLP is a Kolkata-based equity investment firm co-founded by Basant Maheshwari and Shalu Mehra in 2016, running a concentrated stock portfolio.
Basant Soren
Basant Soren is an Indian politician representing Dumka (ST). He is the youngest son of Shibu Soren and served as a minister in the state government in 2024.
Basanta Tilaka Rasa
Basanta Tilaka Rasa (Vasantatilaka Rasa, बसन्त तिलक रस) is a classical Ayurvedic herbo-mineral rasa shastra formulation of bhasmas, mercury, and herbs, dosed 125–250 mg twice daily per the Ayurvedic Formulary of India for fever, cough, asthma, anemia, and heart disease.
Basara (manga)
Basara (バサラ) is Yumi Tamura's post-apocalyptic shōjo manga, serialized in Bessatsu Shōjo Comic 1990-1998 in 27 volumes, winner of the 1993 Shogakukan Manga Award; Sarasa leads a rebellion as her dead twin against the Red King Shuri, with Viz English and Kana French editions.
Basarabi
Basarabi: Romanian name for the Murfatlar rock-cut monastery in Dobruja (discovered 1957, 10th century, six chalk churches, 500+ graffiti), the Early Iron Age Basarabi culture of the lower Danube, and a Dolj village near Calafat.
Basasiri's seizure of Baghdad
Basasiri's seizure of Baghdad (أمر البساسيري) was the capture of the Abbasid capital in 1058–1059 by the Turkish general Arslan al-Basasiri, acting for the Fatimid caliph al-Mustansir of Egypt.
Basava (ಬಸವ)
Basava (ಬಸವ, Basavanna), twelfth-century Kannada vachana poet and Kalachuri commander at Kalyana, central figure of the Lingayat/Virashaiva tradition; founder-versus-reformer debate and 2018 Karnataka minority-religion politics distinguish him.
Basava Purana
The Basava Purana (బసవ పురాణము) is a thirteenth-century Telugu hagiography of Basavesvara, the twelfth-century Virasaiva (Lingayat) leader, written by Palkuriki Somanatha and collecting legends of Virasaiva saints.
Basava Ragale
Basava Ragale, fully the Basavarājadevara Ragale, is a Kannada narrative poem by Harihara, the first hagiographic account of the life of the twelfth-century saint Basava.
Basavanna's Vachanas
Basavanna's Vachanas (ಬಸವಣ್ಣನವರ ವಚನಗಳು) are a corpus of over one thousand short Kannada devotional poems by Basavanna, the twelfth-century Virashaiva leader in Karnataka who rejected caste discrimination.
Basavaraj Bommai
Basavaraj Bommai (Kannada: ಬಸವರಾಜ ಬೊಮ್ಮಾಯಿ), BJP politician, son of S. R. Bommai; 23rd Chief Minister of Karnataka 2021–2023, Shiggaon MLA 2008–2023, and BJP MP for Haveri in the 18th Lok Sabha since 2024.
Basavaraj Horatti
Basavaraj Horatti is an Indian politician who served as Chairman of the Karnataka Legislative Council, elected from its teachers' constituency for a record eight successive terms.
Basavaraj Rayareddy
Basavaraj Rayareddy, also spelled Basavaraj Rayareddi, is an Indian National Congress politician serving as Karnataka's Higher Education Minister, a six-term MLA from Yelburga, and a former Koppal member of the Lok Sabha.
Basavarajiyam
Basavarajiyam (Basavarajeeyam), an 18th-century bilingual Sanskrit-Telugu Ayurvedic compendium by Basavaraju of Andhra, in 25 chapters covering pulse diagnosis, rasa preparations, and disease treatment still used in Telangana.
Basawakkulama Tank
Basawakkulama Tank (Abhaya Wewa, Abhayavapi), Anuradhapura, Sri Lanka: the first reservoir in the country's recorded history, built by King Pandukabhaya (437–367 BCE), capacity 1,910 acre-feet, still supplying pilgrims and irrigating 916 acres.
Basawan
Basawan (بساون), also written Basavan, was an Indian miniature painter at the Mughal court of Akbar, active from about 1556 to 1600 and father of the painter Manohar.
Basbrun (crater on Iapetus)
Basbrun, an 80-km IAU-named impact crater on Saturn's moon Iapetus at 52°S, 111.8°W, approved August 5, 2008; named for Charlemagne's officer in the Song of Roland who hanged Ganelon's 30 relatives.
Bascinet
The bascinet is a close-fitting iron or steel helmet that served as the standard helmet of Europe from about 1300 to about 1420, worn by knights and sergeants.
Bascule bridge
A bascule bridge is a movable bridge whose span, called a leaf, rotates upward like a seesaw on a counterweighted pivot to let vessels pass through a waterway.