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tritium

(Encyclopedia)tritium trĭtˈēəm [key], radioactive isotope of hydrogen with mass number 3. The tritium nucleus, called a triton, contains one proton and two neutrons. It has a half-life of 12.5 years and decays ...

Scriabin, Aleksandr Nikolayevich

(Encyclopedia)Scriabin, Aleksandr Nikolayevich əlyĭksänˈdər nyēkəlīˈəvĭch skrēäbēnˈ, skrēäˈbĭn [key], 1872–1915, Russian composer and pianist. The name is sometimes spelled Skriabin or Skryabin...

baobab

(Encyclopedia)baobab bäˈōbăbˌ, bāˈō– [key], gigantic tree, Adansonia digitata, of India and Africa, exceeded in trunk diameter only by the sequoia. The hollow trunks of living baobabs have been used for d...

Kabir

(Encyclopedia)Kabir kəbērˈ [key], 1440–1518, Indian mystic and poet. A Muslim by birth, he was a weaver in Benares (Varanasi) and early in life may have become the disciple of the famous Hindu saint Ramananda....

Low, Seth

(Encyclopedia)Low, Seth, 1850–1916, American political reformer and college president, b. Brooklyn, N.Y., grad. Columbia, 1870. He entered his father's tea and silk importing firm, but became interested in politi...

acculturation

(Encyclopedia)acculturation, culture changes resulting from contact among various societies over time. Contact may have distinct results, such as the borrowing of certain traits by one culture from another, or the ...

Scholz's star

(Encyclopedia)Scholz's star, dim binary star system, consisting of a red dwarf and brown dwarf, in the constellation Monoceros, apparent magnitude 18.3. The red dwarf is a tiny star, with less than ten percent the ...

sapphire

(Encyclopedia)sapphire, precious stone. A transparent blue corundum, it is classified among the most valuable of gems. Sapphires are found chiefly in Madagascar, Sri Lanka, and Myanmar and also in Thailand, Tanzani...

brown dwarf

(Encyclopedia)brown dwarf, in astronomy, celestial body that is larger than a planet but does not have sufficient mass to convert hydrogen into helium via nuclear fusion as stars do. Also called “failed stars,”...

Coleman, Ornette

(Encyclopedia)Coleman, Ornette, 1930–2015, African-American saxophonist and composer, b. Fort Worth, Tex. Largely self-taught, he began playing the alto saxophone in rhythm-and-blues bands. He later developed an ...