Question

What does this symbol mean??​

Answer 1

This symbol > means greater than, for example 4 > 2. ≤ ≥ These symbols mean 'less than or equal to' and 'greater than or equal to' and are commonly used in algebra. ... ≪ ≫ These symbols are less common and mean much less than, or much greater than......

Answer 2

Explanation:

Symbol Edit

η

• (mathematics) the metric tensor in Quantum Field Theory.
• (chemistry, physics) the coefficient of viscosity
• (engineering) the symbol for efficiency in engineering.

I hope it helps