What is another word for visibility zero zeros?
Pronunciation: [vˌɪzəbˈɪlɪti zˈi͡əɹə͡ʊ zˈi͡əɹə͡ʊz] (IPA) 
"Visibility zero zeros" is a phrase that indicates complete lack of visibility in the surrounding environment. Some synonyms for this phrase include "total darkness," "complete blackness," "pitch darkness," "complete absence of light," "opaque conditions," and "impenetrable darkness." These phrases all mean the same thing and refer to situations where it is impossible to see anything because there is no light. Such conditions can occur in diverse places, including caves, mines, and underwater. "Visibility zero zeros" can also be used in aviation to describe conditions where pilots cannot see anything due to fog, smoke, or other atmospheric conditions. Whatever the context, the phrase is a warning to people that they should proceed with caution and take appropriate safety measures.
