perhydrogenize

especially British, per·hy·dro·gen·ise

[per-hahy-druh-juh-nahyz, pur-hahy-droj-uh-]

verb (used with object)

perhydrogenized, perhydrogenizing 

1. perhydrogenate.

Word History and Origins

Origin of perhydrogenize¹

per- + hydrogenize