comb down

To use a comb to push your hair flat and downward.

"She combed down her fringe before the school photograph."

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Why you can't comb a hairy ball, and why we care

3Blue1Brown · 29:09

For example, how do you comb down the hairs on a hypersphere in four dimensions?

Why you can't comb a hairy ball, and why we care

3Blue1Brown · 28:14

It's not hard to see that you can comb down the hairs on a fluffy circle,

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