When we can't simplify a number to remove a square root (or cube root etc) then it is a surd. Have a look at these examples (including cube...

The Latin meaning of the word "Surd" is deaf or mute. In earlier days, Arabian mathematicians called rational numbers and irrational numbers as audible and inaudible.

Mathematics Surd (mathematics), an unresolved root or sum of roots Radical symbol, the notation for a root formerly, an irrational number in general

Both surd and its more common cousin absurd come from the Latin word surdus, meaning "unhearing, deaf, muffled, or dull." Absurd traveled through Middle French before arriving in English in the early …

What Is Surds? A surd is defined as an irrational root that cannot be expressed exactly as a fraction or terminating/repeating decimal. For example, numbers like √2, √7, or ∛5 are all surds because their …

A surd is any number whose nth root (square root, cube root, etc.) cannot be simplified so as to remove the radical sign.

Introduction to concept of a surd with its definition, standard form and simple understandable arithmetic examples to know what a surd really is in mathematics.