Vomiting (throwing up) and diarrhea (watery stools or poop!) are often caused by a virus (a kind of germ). Although there is no medicine to cure these infections, your childâs body will get rid of the virus in a week or 10 days.
Boolean expression-Computer Definition. A statement using Boolean operators that expresses a condition that is either true or false. See Boolean search. 1  Link/Cite. 2  Home. 3  Dictionary Definitions.
A type of search allowing users to combine keywords with operators such as AND, NOT and OR to further produce more relevant results. For example, a Boolean search could be hotel AND New York. This would limit the search results to only those documents containing the two keywords. See also Boolean expression.