2) delta. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...sediment at the mouth of a river such as the Nile and the triangular shape of their letter delta (), the Greeks gave the name delta to such an island. English borrowed...

3) Delta. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...United States extending on either side of the Mississippi River from Memphis, Tennessee, to Vicksburg, Mississippi. An important cotton-producing region, it is noted...

4) delta wave. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...forward portion of the brain and is associated with deep sleep in normal adults. Also called delta rhythm....

5) delta wing. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...An aircraft with swept-back wings that give it the appearance of an isosceles triangle....

6) Oil Rivers. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A large delta region of the Niger River in southern Nigeria. The Oil Rivers Protectorate was administered by the British Royal Niger Company from 1885 to 1893....

7) delta ray. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...An electron ejected from matter by ionizing radiation....

8) Guangzhou. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A city of southern China on a delta near the South China Sea. The capital of Guangdong province, it became a treaty port open to foreign trade after the Opium War...

9) Banjarmasin. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A city of Indonesia on a delta island of southern Borneo. An important deep-water port, Banjarmasin was part of a Hindu kingdom in the 14th century and passed to...

10) Khulna. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A city of southwest Bangladesh near the Ganges River delta. It is a trade and processing center for a large swampy, forested region. Population: 545,849....