test (EN)

noun, verb

noun “test”

1. an examination to measure someone's knowledge or ability
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   The students were nervous before taking the final test in history class.
2. a procedure or trial to assess quality, performance, or reliability
   The engineers conducted a test to determine the durability of the new material.
3. a challenging situation that shows someone's or something's capabilities
   Climbing the mountain was a test of their endurance.
4. (medicine) a procedure performed to detect or diagnose a disease or condition
   The doctor recommended a blood test to check her iron levels.
5. (cricket) a match played over several days between international cricket teams
   The cricket fans were excited about the upcoming Test between England and India.
6. (biology) the hard external shell of certain marine organisms like sea urchins
   She collected several sea urchin tests while walking along the beach.

verb “test”

1. to administer an examination to someone
   The instructor will test the students on chapter five.
2. to examine or evaluate something
   The engineer tested the software for bugs.
3. to challenge or strain someone's abilities
   The difficult puzzle tested her problem-solving skills.
4. to perform a medical examination
   The doctor tested her eyesight.
5. (followed by an adjective) to undergo a medical test and receive a particular result
   He tested positive for COVID-19.
6. (chemistry) to examine a substance using a reagent to detect the presence of a particular component
   They tested the water for contaminants using various chemical tests.