a cloud or mist-like appearance a tendency to expand and fill available space a lack of definite shape or form no solidity or weight a lack of color a lack of odor a lack of taste
gas which is a cloud or mist-like appearance gas which is a tendency to expand and fill available space gas which is a lack of definite shape or form gas which has no solidity or weight gas which is a lack of color gas which is a lack of odor gas which is a lack of taste