Third-person singular simple present indicative form of retest.(verb)
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Use "retests" in a sentence
"Then, helped by "rapid prototyping," a technology that allows them to generate physical models directly from computer-design files, the group tests and retests their models."
"Any drug cheats caught in the retests can be disqualified and stripped of their medals and results."
"That way, when she retests it, she knows exactly what she needs to improve."