1. The hypothetical acid (H2Cr2O7) from which dichromates are derived; known only in solution and in the form of dichromate salts

Derived forms: dichromic acids

Type of: acid

• heliocentric
• heliocentric parallax
• heliogram
• heliograph
• heliographic
• heliogravure
• heliolatry
• heliometer
• heliopause
• heliophila
• heliopsis
• Helios
• heliosphere
• heliostat
• heliotherapy
• Heliothis
• heliothis moth
• Heliothis zia
• heliotrope
• heliotropic
• heliotropism
• heliotype
• Heliozoa
• heliozoan
• helipad