gastight

gas·tight

 (găs′tīt′)
adj.
Impermeable by gas.

gas′tight′ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

gastight

(ˈɡæsˌtaɪt)
adj
(General Physics) not allowing gas to enter or escape
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Extrapallial fluid samples were taken during microsensor measurements using gastight glass syringes (Hamilton).
In addition, when used with the IP65 housings, they offer gastight connections that meet the needs found in hazardous and controlled production environments.
Each mouse received a 3 [micro]l injection (equivalent to 4 [micro]g LPS) by a 26s-gauge gastight syringe (10 [micro]l, Hamilton; Reno, NV) with the microinfusion syringe pump (Singa[R], Diagnostic and Research Instruments Inc., Taipei, Taiwan) over 2 min; the needle was retained in place for an additional 5 min to prevent any reflux.
The super-soft gel cushion conforms to the patient's face to ensure a gastight fit that is more secure than the PVC cushion and has a lower profile on the face.
The latter is usually done by brief hot melting two sheets of packaging material together to form a gastight seal [3,4].
Jones et al., "Gastight Hydrodynamic Electrochemistry: Design for a Hermetically Sealed Rotating Disk Electrode Cell," Analytical Chemistry, vol.
The internal standard solution (100 [micro]L) was added to the yuzu juice sample (diluted 100-fold; 1.9 mL) in a 20-mL gastight vial sealed with a septum.
In brief, 100 [micro]L of headspace gas was withdrawn using a gastight syringe and injected manually into a GC-2014 (Shimadzu, Kyoto, Japan) equipped with flame ionization detector and Porapak Q column (GL Sciences Tokyo, Japan).
The monomer [epsilon]-CL (100 g, 0.877 mol), initiator glycerol (0.45 g, 4.87 x 10~3 mol), and [Sn(Oct).sub.2] (1 mL, 0.1g/mL) were consecutively added via a gastight syringe under argon into the reaction vial.