Warning Signs. While a bottleâs stamped expiration date generally confirms waterâs freshness, certain physical signs may still suggest spoilage. A bent or deformed bottle indicates its overexposure to sunlight, while a strange aroma or flavor denotes staleness. Occasionally, algae may form in bottled water.
mobility (mÉÊËbÉªlÉªtÉª) n 1. (Physiology) the ability to move physically: a knee operation has restricted his mobility; mobility is part of physical education. 1  2. (Sociology) sociol (of individuals or social groups) movement within or between classes and occupations. 2  1. the quality of being mobile.
Definition of transportation for Students. 1  1 : an act, instance, or means of carrying people or goods from one place to another or of being carried from one place to another. 2  2 : public carrying of passengers or goods especially as a business.