the act of subjecting to experimental test in order to determine how well something works
"they agreed to end the testing of atomic weapons"
an examination of the characteristics of something
"there are laboratories for commercial testing"
"it involved testing thousands of children for smallpox"
the act of giving students or candidates a test (as by questions) to determine what they know or have learned
"The teacher spent the afternoon grading papers after testing the entire class on their latest history unit."
The act of conducting a test; trialing, proving.
"The team spent weeks testing the new software to ensure it could handle heavy traffic without crashing."
In plain English: Testing is checking something to see if it works properly or finds out how well it performs.
"The new software update is currently in testing to ensure there are no bugs before release."
Usage: Testing refers to the process of evaluating something by subjecting it to conditions that reveal its performance or quality. Use this noun when describing an active trial rather than simply referring to the result itself as "the test."
present participle of test
"The engineer spent all morning testing the new prototype to ensure it could withstand extreme temperatures."
In plain English: Testing means checking something to see if it works properly or finds out how it behaves.
"The teacher was testing our knowledge with a surprise quiz."
difficult, tough
"The final exams were incredibly testing for everyone who had to study so much over the summer."
In plain English: Testing describes something that is being checked to see if it works properly.
"The testing results showed that the new engine performs better than the old one."
Derived from the Old French tester, testing originally meant to weigh or measure something in medieval commerce. The term later evolved to signify the act of examining an object's quality or performance through trial.