hermetic

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hermetic

 [her-met´ik]
impervious to the air.

her·met·ic

(her-met'ik),
Airtight; denoting a vessel closed or sealed in such a way that air can neither enter it nor issue from it.

hermetic

/her·met·ic/ (her-met´ik) impervious to air.

hermetic

[hərmet′ik]
Etymology: Gk, Hermes
from use in alchemy, pertaining to sealing a container so as to make it airtight.

her·met·ic

(hĕr-met'ik)
Airtight; denoting a vessel closed or sealed in such a way that air can neither enter it nor issue from it.

hermetic

impervious to the air.
References in periodicals archive ?
When the piston 2 is moved along the sleeve 1 in direction a, and contact between the sleeve 1 and the piston 2 remains completely hermetical, the water is discharged and, due to cavitation bubbles appearing during gas phase 6, it comes to boil at a room temperature.
These were the scholars who brought Bruno into the mainstream of a new conception of the Renaissanc e as deeply imbued with magical and hermetical strands of thought: the Renaissance developed in the second half of the twentieth century above all by Eugenio Garin, to whom this volume is affectionately dedicated.
15) The strategy reflects Godwin's penchant for historical allegory, demonstrated by Gary Kelly in the context of Jacobinism; and it corroborates Gloria Flaherty's registration of the late-century enthusiasm for hermetical pseudo-science.