How many letters does the top answer for “the act or process of applying zinc; galvanization.” have?

The most common answer is zincing (7 letters).

Crossword clue: the act or process of applying zinc; galvanization.

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

zincing 7 letters web-def

a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide var

zincking 8 letters web-def

The act or process of applying zinc; galvanization.