Null - in Science

In Science

• Null allele (genetics)
• Null cipher, a ciphertext symbol
• Null hypothesis, a concept in statistical hypothesis testing
• Null morpheme, a concept in linguistics
• Null (radio), a concept in electromagnetism
• Null result, the absence of a hypothesized effect in the outcome of a scientific experiment
• Null vectors or curves in the causal structure of a Lorentzian manifold such as a Minkowski space-time