polysaccharide: starch. Storage form of carbohydrate in plants, plants use for energy Mainly in seeds, roots, and tubers-similar in structure to glycogen but fewer branches-potatoes and grains are major sources of starch.
Wiktionary (0.00 / 0 votes) Rate this definition: dustbowl (Noun) An area which abounds in dust and which is very dry. dustbowl (Noun) The central region of the United States during the 1930s. dustbowl (Noun) The 1930s period.
The drought was so severe that the once-rich topsoil in such states as Oklahoma, Kansas, Texas, Colorado, and New Mexico turned to dust. When the dust was lifted into the air by the relentless prairie winds, huge storms were created that turned the entire region into a gigantic dust bowl.