experiment

If you see your science-loving neighbor headed home with a power cord, a handful of test tubes, a stopwatch, and a bag of potatoes, there’s probably no need to be alarmed. There’s a good chance he’s only conducting an experiment, a scientific test conducted under controlled conditions.

To refer to a scientific test, use the noun experiment. If you want to describe the work done in conducting such a test, experiment will do the trick as well, since it can also act as a verb, as in "scientists experiment with helium." You can also use it more generally to describe trying a new method or idea. For example, you could experiment with a new hairstyle or different routes to get to school or work.

Definitions of experiment
  1. noun
    the act of conducting a controlled test or investigation
    synonyms: experimentation
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    types:
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    testing
    the act of subjecting to experimental test in order to determine how well something works
    trial and error
    experimenting until a solution is found
    Michelson-Morley experiment
    a celebrated experiment conducted by Albert Michelson and Edward Morley; their failure to detect any influence of the earth's motion on the velocity of light was the starting point for Einstein's theory of relativity
    control experiment
    an experiment designed to control for variables affecting the results of another experiment
    type of:
    research project, scientific research
    research into questions posed by scientific theories and hypotheses
  2. noun
    the testing of an idea
    “it was an experiment in living”
    synonyms: experimentation
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    pilot experiment
    a preliminary experiment whose outcome can lead to a more extensive experiment
    test, trial, trial run, tryout
    trying something to find out about it
    field test, field trial
    a test of the performance of some new product under the conditions in which it will be used
    alpha test
    (computer science) a first test of an experimental product (such as computer software) carried out by the developer
    beta test
    (computer science) a second test of an experimental product (such as computer software) carried out by an outside organization
    road test
    a test to insure that a vehicle is roadworthy
    trial balloon
    a test of public opinion
    type of:
    enquiry, inquiry, research
    a search for knowledge
  3. noun
    a venture at something new or different
    “as an experiment he decided to grow a beard”
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    type of:
    venture
    any venturesome undertaking especially one with an uncertain outcome
  4. verb
    conduct a test or investigation
    “We are experimenting with the new drug in order to fight this disease”
    Synonyms:
    try out
    try something new, as in order to gain experience
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    type of:
    investigate, look into
    investigate scientifically
  5. verb
    try something new, as in order to gain experience
    “The composer experimented with a new style”
    synonyms: try out
Word Family