[ adjective ] closed or secured tightly so as to prevent ingress or egress


"a sealed off pipe" "the sealed off airport was surrounded by a cordon of police"

Used in print

(James A. Ibers et al., "Proton magnetic resonance...)

The data reported here are either from spectra from which the adsorbed water resonance could easily be eliminated or from spectra of samples evacuated and sealed_off at 375 ` C which contain no adsorbed water .

(Francis J. Johnston and John E. Willard, "The...)

The contents of the manifold for liquid phase experiments were then mixed by shaking , redistributed to the reaction tubes , frozen_down , and each tube was then sealed_off .

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