Assertion: xenon | /r/HasProperty | expensive
Facets:
value: relatively
type: DEGREE
Source sentences:
text: Although xenon is rare and relatively expensive to extract from the Earth's atmosphere, it has a number of applications.
text: Like helium, xenon does not satisfy the body's need for oxygen, and it is both a simple asphyxiant and an anesthetic more powerful than nitrous oxide; consequently, and because xenon is expensive, many universities have prohibited the voice stunt as a general chemistry demonstration.
text: Since xenon is rather expensive, it is not widely used, although there are a number of practical applications for the element.
text: Xenon is rare and expensive, and its effects are short lasting.