HC meaning HC definition Unburned hydrocarbons . They are at their worst with very rich or very lean mixtures. They combine with NOx in sunlight to form photochemical smog . Related terms Main bearing support Dashboard Kaiser CAAM G7 Dictionary of Automotive Terms Index Automotive terms beginning with "H", page 3 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 2 3 4 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 H: Page 3 of 27. HB HC HCV HD Hdtp Head Head gasket Head restraint Head tube Header Header panel Headers More Automotive Dictionaries Dictionary of Automotive Terms Automotive Glossary Automotive Acronyms
HC meaning HC definition Unburned hydrocarbons . They are at their worst with very rich or very lean mixtures. They combine with NOx in sunlight to form photochemical smog . Related terms Main bearing support Dashboard Kaiser CAAM G7 Dictionary of Automotive Terms Index Automotive terms beginning with "H", page 3 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 2 3 4 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 H: Page 3 of 27. HB HC HCV HD Hdtp Head Head gasket Head restraint Head tube Header Header panel Headers More Automotive Dictionaries Dictionary of Automotive Terms Automotive Glossary Automotive Acronyms