antonomasia /an-tə-no-māˈzi-ə/

1. The use of an epithet, or the name of an office or attributive, for a person's proper name (eg his lordship for an earl)
2. And conversely (eg a Napoleon for a great conqueror)

• hydrogenase
• hydrogenate
• hydrogenated
• hydrogenates
• hydrogenating
• hydrogenation
• hydrogenation of coal
• hydrogenations
• hydrogen bomb
• hydrogen bombs
• hydrogen bond
• hydrogen bonds
• hydrogen cyanide
• hydrogen ion
• hydrogen ions
• hydrogenise
• hydrogenised
• hydrogenises
• hydrogenising
• hydrogenize
• hydrogenized
• hydrogenizes
• hydrogenizing
• hydrogenous
• hydrogen peroxide