null (redirected from nulls)

null (nul)

1. insignificant; having no consequence or value.

2. absent or nonexistent.

3. zero; nothing.

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null

an absence of information, as contrasted with zero or blank or nil, about a value.

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null cell

called also null lymphocyte; see null cell.

null hypothesis

a statistical hypothesis which states that one variable has no association with another variable, or set of variables. That is, the observed results can be explained by chance alone.

null lymphocyte

see null cell.