What is a Double Zero?

A Double Zero - The Trek

Double Zero Gauges / 00g Plugs & Ear Gauges in Double Zero Size – Custom Plugs

Which polynomial has a double zero of 4 and has −3 as a simple zero? - Quora

What is the double of 0? As we know 4 is double of 2, 6 is double of 3. - Quora

Double exponential function - Wikipedia

Why is there '00' in a calculator even when there is 0? - Quora

Meta-analysis with zero-event studies: a comparative study with application to COVID-19 data, Military Medical Research

The Magic of a Double Zero - heather hikes

What does it mean for a quadratic function to have a double zero? - Quora

Liquid Zero Incredible Zero Sugar Cocktails

Single, Double and Triple Roots

How the Double Zero Scam Works - A Con Exposed