mask

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Related to ventilation mask: Positive pressure ventilation

mask

(Cover), noun camouflage, cloak, cover-up, deflection, device, disguise, excuse, facade, false front, feint, front, guise, lame excuse, masquerade, mere cossetics, obscuration, pretense, pretension, pretext, prooessed motive, refuge, screen, sham, smoke screen, stratagem, subterfuge, varnish, whitewash

mask

(Shield), noun camouflage, deflection, disguise, false front, false identity, incognito, masquerade, pretense, shield, veil
See also: camouflage, cloak, conceal, cover, denature, disguise, ensconce, enshroud, envelop, false pretense, guard, hide, obliterate, obnubilate, obscure, plant, pretend, pretense, pretext, ruse, screen, shroud, stifle, strangle, subterfuge, suppress, veil
References in periodicals archive ?
Now, free from the constraints of a full-face ventilation mask, Rachel is able to enjoy everyday activities such as washing up and meeting family members.
And as soon as he fell asleep, they put on the ventilation mask that stops him dying.
Hilgers was significantly fatigued: "I couldn't remove the ventilation mask for twenty seconds," he remembers.