The physical blocking or surrounding of a place, especially a port, in order to prevent commerce and traffic in or out.

(chemistry, now chiefly historical) The art or process of determining the constituents of a gaseous mixture by means of the eudiometer, or for ascertaining the purity of the air or the amount of ox...

(mineralogy) A vanadate mineral with chemical formula Na₄(H₂O)₁₆(H₂V₁₀O₂₈)•6H₂O.

(military, slang, dated) A foxhole.