Bacteria (/ b Ã¦ k Ë t ÉªÉr i É / ( listen); common noun bacteria, singular bacterium) constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a number of shapes, ranging from spheres to rods and spirals.
junk food. n. (Cookery) food that is low in nutritional value, often highly processed or ready-prepared, and eaten instead of or in addition to well-balanced meals. junkâ² food`. n. 1. food, as potato chips or candy, that is high in calories but of little nutritional value. 2. anything that is attractive or diverting but of negligible substance.
1. a dishonest or unprincipled person, esp a man; rascal; scoundrel. 2. often jocular a mischievous or wayward person, often a child; scamp. 3. (Agriculture) a crop plant which is inferior, diseased, or of a different, unwanted variety. 4. a. any inferior or defective specimen. b. (as modifier): rogue heroin.