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Theobroma
Theobroma is a Neotropical genus of about 20-23 Malvaceae trees, named by Linnaeus in 1753 ('food of the gods'); type species T. cacao, source of chocolate, plus cupuaçu and pataxte.
Theobroma cacao
Theobroma cacao, the cacao or cocoa tree, is a Malvaceae evergreen whose seeds give chocolate. Upper Amazon origin, use from ~5,300 years ago, 71% of output from Africa, record 2023/24 prices.
Theobroma grandiflorum
Theobroma grandiflorum, cupuaçu or cupuassu, is an Amazonian Malvaceae fruit tree related to cacao, native from S. Venezuela to N. Bolivia, domesticated from cupuí 5000-8000 years ago, grown for acidic-sweet pulp used in juice and ice cream.
Theobromine
Theobromine (3,7-dimethylxanthine, C7H8N4O2) is a cacao-derived methylxanthine alkaloid, a mild human vasodilator and diuretic, the main toxin in chocolate poisoning in dogs, and an archaeological marker for ancient cacao use.
Theobromine poisoning
Theobromine poisoning (chocolate toxicosis) is methylxanthine poisoning of animals, mainly dogs, from eating chocolate; dogs clear theobromine slowly (17.5-hour half-life), with vomiting, tremors, seizures, and arrhythmias at 20–60 mg/kg doses.
Theocharis Theocharis
Theocharis Theocharis, born 1970 in Athens, is a Greek New Democracy politician serving as Deputy Minister for Foreign Affairs since 2025, after serving as Minister of Tourism from 2019 to 2021.
Theocracy
Theocracy, from Greek theokratia, is government in which divine authority or religious leaders hold supreme civil power. Coined by Josephus; historical examples include the caliphates, Papal States, Geneva, and Iran since 1979.
Theocritean bucolic
Theocritean bucolic is the pastoral poetry of the Hellenistic poet Theocritus of Syracuse, active in the early 3rd century BCE, written in Doric hexameters about singing herdsmen.
Theocritus
Theocritus (Θεόκριτος) was a Hellenistic Greek poet from Syracuse, active in the early 3rd century BCE, whose pastoral Idylls, reworked by Virgil, founded the European pastoral tradition.
TheOdd1sOut
TheOdd1sOut is the YouTube channel of American animator James Rallison (born 1996), who moved from Tumblr webcomics (2012) to storytime animation videos (2014), reaching 20.8 million subscribers, the Netflix series Oddballs, and bestselling books.
Théoden
Théoden (Théoden Ednew, Rohirric Tûrac) is the seventeenth King of Rohan in Tolkien's The Lord of the Rings: healed by Gandalf from Saruman's influence, victorious at the Hornburg, fallen at the Pelennor Fields, succeeded by Éomer.
Theodicy
A theodicy (plural theodicies) explains how God's justice and goodness can be upheld despite evil, a term Leibniz coined from Greek for God and justice in 1710.
Theodolite
A theodolite is a precision surveying instrument, mounted on a tripod, that measures horizontal and vertical angles for triangulation, traversing, construction layout, and topographic mapping.
Theodolite Hill
Theodolite Hill is a 680 m (US record; UK record 775 m) hill in northeast Trinity Peninsula, Antarctica, at the SE corner of a plateau 5 mi west of Duse Bay, named by FIDS in 1946 as a theodolite survey station.
Theodor Adelswärd
Theodor Adelswärd, full name Axel Theodor Adelswärd, was a Swedish baron, industrialist, and liberal politician who served as Minister of Finance from 1911 to 1914 and later led the Inter-Parliamentary Union.
Theodor Agapie
Theodor Agapie is a Romanian-born inorganic and organometallic chemist who is the John Stauffer Professor of Chemistry at Caltech and received a Presidential Early Career Award.
Theodor Becker
Theodor Becker (1840–1928) was a German entomologist and civil engineer, town planning officer of Liegnitz, who classified two-winged flies and named genera still in use.
Theodor Bibliander
Theodor Bibliander, born Buchmann, was a Swiss Reformed theologian and orientalist who edited the first printed Latin translation of the Qur'an, published at Basel in 1543.
Theodor Bilharz
Theodor Maximilian Bilharz (1825-1862), German physician and zoologist at Kasr el Aini Hospital, Cairo; discovered Schistosoma haematobium in 1851, the cause of schistosomiasis (bilharzia); died of typhoid in Cairo; namesake of Egypt's Theodor Bilharz Research Institute.
Theodor Boveri
Theodor Boveri (1862–1915) was a German zoologist at the University of Würzburg who formulated the chromosome theory of heredity and proposed that cancer begins in a single cell with abnormal chromosomes.
Theodor Busse
Theodor Busse (1897–1986), German general of infantry; chief of staff of Army Group South under Manstein, commander of the Ninth Army at Seelow Heights and the Halbe breakout, later West German civil defense leader.
Theodor Curtius
Theodor Curtius, full name Julius Wilhelm Theodor Curtius, was a German chemist who discovered hydrazine and hydrazoic acid and gave his name to the Curtius rearrangement.
Theodor Däubler
Theodor Däubler (1876–1934) was a German-language poet, translator, and art critic born in Trieste, best known for his cosmic epic Das Nordlicht, a poem of more than 30,000 lines.
Theodor Eicke
Theodor Eicke (1892–1943) was an SS-Obergruppenführer, Dachau commandant, and Inspector of Concentration Camps who created the Nazi camp model, and commander of the SS Division Totenkopf until his death at Kharkov.
Theodor Fontane
Theodor Fontane, born Henri Théodore Fontane (1819–1898), was a German novelist, poet, and journalist and the leading representative of poetic realism, best known for late novels including Effi Briest.
Theodor Frølich
Theodor Frølich, also known as Theodor Christian Brun Frølich, was a Norwegian professor of pediatrics who produced the first experimental animal model of scurvy with Axel Holst in 1907.
Theodor Herzl
Theodor Herzl (בנימין זאב הרצל, Binyamin Ze'ev Herzl, 1860-1904), Hungarian-born journalist and founder of political Zionism, author of Der Judenstaat (1896) and Altneuland (1902), convener of the 1897 Basel Congress.
Theodor Heuss
Theodor Heuss was a German liberal politician and journalist who served as the first Federal President of the Federal Republic of Germany, from 1949 to 1959.
Theodor I Muzaka
Theodor I Muzaka was an Albanian nobleman of the Muzaka house who held Berat and surrounding lands in central Albania in the later 14th century, dying around 1389.
Theodor Kallifatides
Theodor Kallifatides (Θοδωρής Καλλιφατίδης), born 1938 in Molaoi, Greece, is a Greek-Swedish author and translator who emigrated to Sweden in 1964, known for his trilogy on his Greek childhood village.