nonrepeatable

the experiment was designed as a nonrepeatable event due to the destruction of the sample.

scientists conducted a nonrepeatable test on the rare artifact to preserve its integrity.

each nonrepeatable observation provided unique data that could not be replicated.

the nonrepeatable opportunity to witness the eclipse left the astronomers in awe.

due to the volatile nature of the chemicals, the reaction was a nonrepeatable experiment.

the documentary captured a nonrepeatable moment in the wild animal's life cycle.

historians considered the discovery a nonrepeatable find that would change their understanding.

the concert was a nonrepeatable performance that would never be exactly recreated.

researchers documented the nonrepeatable phenomenon before it disappeared completely.

each nonrepeatable mistake in the trial provided valuable lessons for future experiments.

the nonrepeatable sequence of events led to an unprecedented scientific breakthrough.

due to ethical concerns, the clinical trial was classified as a nonrepeatable study.