noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   A chemical engineering process in which reaction with hydrogen is used to remove impurities, especially as part of oil refining uncountable

Verb

1. 1
   present participle and gerund of hydrotreat form-of, gerund, participle, present

Related phrases

chemical engineeringoil refining

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.