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theremin

(Encyclopedia)theremin thĕrˈəmən [key], one of the earliest electronic musical instruments, invented (1920) in the Soviet Union and named for its creator, Leon Theremin. A forerunner of the synthesizer, it cons...

seaweed

(Encyclopedia)seaweed, name commonly used for the multicellular marine algae. Simpler forms, consisting of one cell (e.g., the diatom) or of a few cells, are not generally called seaweeds; these tiny plants help to...

Kaz Daği

(Encyclopedia)Kaz Daği käz däŭˈ [key], anc. Ida Mts., range, NW Turkey, SE of the location of ancient Troy. Mt. Gargarus (5,797 ft/1,767 m) is the highest point. The mountain was dedicated in ancient times to ...

Longs Peak

(Encyclopedia)Longs Peak [for Stephen H. Long], 14,255 ft (4,345 m) high, N Colo., in the Front Range of the Rocky Mts. From the east side of its snowcapped peak there is a 2,000 ft (610 m) drop to Chasm Lake. It i...

Huascarán

(Encyclopedia)Huascarán wäskäränˈ [key], extinct volcano, 22,205 ft (6,768 m) high, W central Peru, near Huaráz. The highest mountain in Peru and one of the highest in the Andes, Huascarán and other nearby p...

Hymettus

(Encyclopedia)Hymettus hīmĕˈtəs [key], Gr. Imittós, mountain range, E central Greece, in Attica, extending c.10 mi (16 km) between Athens and the Saronic Gulf. Mt. Hymettus (c.3,370 ft/1,030 m) is the highest ...

Iberian Mountains

(Encyclopedia)Iberian Mountains ībĭrˈēən [key], mountain system, extending c.250 mi (400 km) along the northeastern edge of the Meseta (central plateau), NE Spain. Moncayo (7,590 ft/2,313 m high) is the highes...

Cilician Gates

(Encyclopedia)Cilician Gates sĭlĭshˈən [key], Turk. Külek Boğazi, mountain pass, S Turkey, leading across the Taurus range. Known to the ancients as the Pylae Ciliciae, it follows the gorge of the Gökoluk Ri...

Schiehallion

(Encyclopedia)Schiehallion shĭhălˈyən [key], mountain, 3,547 ft (1,081 m) high, Perth and Kinross, central Scotland, near Loch Rannoch. In 1774, Nevil Maskelyne experimented there to determine the density of th...

San Bernardino Mountains

(Encyclopedia)San Bernardino Mountains, part of the Coast Range, S Calif., extending c.60 mi (100 km) NW and SE through San Bernardino and Riverside counties. Notable peaks are San Bernardino Mt. (10,630 ft/3,240 m...