(seduction community) To end a pickup of a woman by getting her telephone number.

The condition of being catadromous

The act of moving to a lower position under the effect of gravity. / A reduction in quantity, pitch, etc.

(geometry) Any of a certain family of graphs related to Keller's conjecture, such that the vertices of the Keller graph of dimension n are the 4ⁿ elements (m₁,...,mₙ) where each m is 0, 1, 2, or 3,...