Assertion: gas's density | /r/DefinedAs | its weight per unit volume
Facets:
value: loosely
type: MANNER
value: in some cases
type: OTHER
Source sentences:
text: In some cases (for instance, in the United States oil and gas industry), density is loosely defined as its weight per unit volume, although this is scientifically inaccurate – this quantity is more specifically called specific weight.