Gibbs himself considered the following problem that arises if the ideal gas entropy is not extensive. Two identical containers of an ideal gas sit side-by-side. There is a certain amount of entropy S associated with each container of gas, and this depends on the volume of each container.
The intertidal zone is the area of the ocean between the high tide and low tide lines, usually on the beach at the water's edge. If you think of the line created at high tide as the upper limit and the line created at low tide as the lower limit, the intertidal zone is everything between those lines.
Full Definition of INTERTIDAL. : of, relating to, or being the part of the littoral zone above low-tide mark.â inÂ·terÂ·tidÂ·alÂ·ly \-dÉl-Ä\ adverb.See intertidal defined for English-language learners. See intertidal defined for kids. ADVERTISEMENT. of or relating to the area of the shore that is between the low point and the high point of the tide.