👉 In the context of physics and mathematics, a "corroborator" is an object or measurement that provides evidence to support the validity of another object or measurement. It can be used as a means of checking the accuracy or consistency of other measurements. For example, in physics, a test tube containing water may be considered a corroborator because it can be used to measure the density of liquid water, which is an important quantity for determining the mass of a substance. Similarly, a barometer,
