linear measure. 1. any system for measuring length. 2. any unit used in linear measurement, as the inch, foot, meter, etc. The lowest dimension, as in our own table of linear measure, was the Barleycorn. Eln still survives in the name of a linear measure, the âell,â and is derived from the O. Teut.
The health effects of drinking contaminated water can range from no physical impact to severe illness or even death. Some of the effects of drinking contaminated water can be immediate, or not noticed for many years. These include gastrointestinal and stomach illnesses like: nausea. vomiting.
Among the infectious diseases that travelers can acquire from contaminated food and water are Escherichia coli infections, shigellosis or bacillary dysentery, giardiasis, cryptosporidiosis, norovirus infection, hepatitis A, and salmonelloses, including typhoid fever.ontaminated food and water can also pose a risk of cholera and a variety of conditions caused by protozoan and helminthic parasites. Many of the infectious diseases associated with contaminated food and water are caused by pathogens transmitted via the fecal-oral route.