Assertion: ethylene | /r/ObjectUse | used at basic level
Facets:
value: to avoid overwhelming the student
type: PURPOSE
value: for teaching
type: PURPOSE
value: mostly
type: DEGREE
Source sentences:
text: Ethylene is the most common name by far; ethene is mostly used at the basic level for teaching, presumably to avoid overwhelming the student with trivial names (despite the fact that few people in the real world use the systematic name).