Definition and Citations:
A concentrated volume of any gas, or part of it, or any other substance, compared to a million particles of liquid or air. A fair comparison can be that of 5 liters of water with an Olympic sized swimming pool.
A concentrated volume of any gas, or part of it, or any other substance, compared to a million particles of liquid or air. A fair comparison can be that of 5 liters of water with an Olympic sized swimming pool.