Dictionary

Snide remarks.

To express oneself in a snarky fashion.

To snort.

A graph in which every node has three branches, and the edges cannot be coloured in fewer than four colours without two edges of the same colour meeting at a point.

A fluke or unrepeatable result or detection in an experiment.

Example: Cabrera's Valentine's Day monopole detection or some extremely energetic cosmic rays could be examples of snarks.