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An example use of affine in a speech by a native speaker of british english:

“… issues so and what did Hagen affine was …”

**adjective:**

- Assigning finite values to finite quantities.
- Of or pertaining to a function expressible as f(\vec x)= A \vec x + \vec b (where A is a linear transformation and \vec b is a constant), which, regarded as a transformation, maps parallel lines to parallel lines and finite points to finite points.
- Of two materials, having mutual affinity.

**noun:**

- A relative by marriage, an in-law.

**verb:**

- To refine.