
1) Asian river 2) island of Indonesia 3) Indonesian island near Java 4) Indonesian waterway 5) Indonesian river 6) Island 7) Island crossed by the equator 8) Island in western indonesia 9) Island known for its coffee 10) Island near Singapore 11) Island of irrational traumas 12) Island on the Equator
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https://www.crosswordclues.com/clue/sumatra

one of the Greater Sunda Islands and the second largest island (after Borneo) of Indonesia. It is separated in the northeast from the Malay Peninsula ... [14 related articles]
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http://www.britannica.com/eb/a-z/s/184

A squall with violent thunder, lightning, and rain, which blows at night in the Malacca Straits, especially during the southwest monsoon. It is intensified by strong mountain breezes.
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The Sumatra was a Dutch cruiser of 6670 tons displacement launched in 1920. The Sumatra was powered by eight Schulz-Thornycroft oil-burning boilers providing a top speed of 31 knots and a range of 7680 km at 12 knots. She was armed with ten 5.9-inch guns; six 40 mm anti-aircraft guns; four 2 pdr saluting guns; six 12.7 mm anti-aircraft guns; twelve...
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http://www.probertencyclopaedia.com/browse/RSA.HTM

[
n] - a mountainous island in western Indonesia
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http://www.webdictionary.co.uk/definition.php?query=Sumatra

Cruiser class, 1920-1944 [NL]
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https://www.encyclo.co.uk/local/20785
noun a mountainous island in western Indonesia
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https://www.encyclo.co.uk/local/20974

Second-largest island of Indonesia, one of the Sunda Islands; area 473,600 sq km/182,800 sq mi, length 1,760 km/1,094 mi, width 400 km/250 mi; population (2000 est) 39,460,100. About a third of the area, mainly in the southeast, is permanently waterlogged. The highest part is ...
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https://www.encyclo.co.uk/local/21221

a large island in the W part of Indonesia. 20,800,000; 164,147 sq. mi. (425,141 sq. km).
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https://www.infoplease.com/dictionary/sumatra
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