(Encyclopedia) Horn of Africa, peninsula, NE Africa, opposite the S Arabia Peninsula. Also known as the Somali Peninsula, it encompasses Somalia and E Ethiopia and is the easternmost extension of the…
(Encyclopedia) Hildebert of LavardinHildebert of Lavardinhĭlˈdəbərt, lăvˈərdĭn; lävärdăNˈ [key], c.1056–1133, French churchman, bishop of Le Mans (1096–1125), and archbishop of Tours (1125–33). He…
(Encyclopedia) Hildebrand, Lay of, fragment of an epic in mixed Low and Old High German composed c.800 in the monastery of Fulda. Hildebrand, armorer of Dietrich of Bern (Theodoric the Great),…
(Encyclopedia) heat of combustion, heat released during combustion. In particular, it is the amount of heat released when a given amount (usually 1 mole) of a combustible pure substance is burned to…
(Encyclopedia) Heliodorus of EmesaHeliodorus of Emesahēˌlēōdôrˈəs, [key]Heliodorus of Emesaĕmˈəsə [key], fl. 3d cent., Syrian Greek writer. He wrote the romance Aethiopica, one of the oldest and…
(Encyclopedia) Hermas, Shepherd ofHermas, Shepherd ofherˈməs [key], Christian apocalyptic work, composed in Rome c.a.d. 139–a.d. 155. It is a collection of revelations given to Hermas, a devout…
(Encyclopedia) Heron of AlexandriaHeron of Alexandriahērˈŏn [key] or Hero, mathematician and inventor. The dates of his birth and death are unknown; conjecture places them between the 2d cent. b.c.…
