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.
Â© Roger Coulam | Getty Images Photo. A dust storm is a fantastic phenomenon to observe (safely, of course). If you've never seen one, imagine a giant wall of dust approaching your city and enveloping it rather quickly â reducing visibility in a matter of seconds.