presulfided en · ADJ
Etymology
Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- English sulfided English presulfided From pre- + sulfided.
Meanings
- (of a catalyst) Pretreated with sulfur prior to a hydrotreating operation
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| most presulfided | Degree=Sup | lexicographic | |
| more presulfided | Degree=Cmp | lexicographic |