firewalledadj.

1916 Q. National Fire Protection Assoc. July 105 The building..had a concrete walled shaft about fifty by fifty feet in the center, and two fire walled elevator shafts.

1942 Racine (Wisconsin) Jrnl.-Times 9 June 1/8 The building..contained thousands of bales of refuse paper in fire-walled compartments that divided the building into 30-foot sections.

1996 Amer. Libraries 27 17/1 Depending upon when a building was constructed, it can subsequently be retrofitted to accommodate a fire-walled room.

1988 IFR Internat. Rev. 1987 p. xiv/1 in Internat. Financing Rev. No. 705 Merrill and the Financial Services Counsel are thus pushing what is considered the most radical bill in the Senate, the D'Amato-Cranston bill, which, as one market observer laconically puts it, ‘let's anyone do anything’, just as long as banking operations are completely fire-walled from other operations.

2003 Smithsonian May 110/2 We might also have avoided the huge and costly mistake of dividing academic life into two fire-walled regimes, the humanities and the sciences.

2010 C. Dumas Globalisation Fractures iii. 73 AIG was simply a ludicrously risky hedge fund holding company bobbing atop a sea of solvent and fire-walled insurance companies.

1994 Matrix News Aug. 5/1 Almost all the firewalled networks do let these communications services in and out.

2006 N.Y. Times (National ed.) 8 June a21/1 She sees patients in the tiny community of Springerville near the New Mexico border through a firewalled T1 data line.

2015 B. B. Madan in L. B. Rainey & A. Tolk Modelling & Simulation Support xxi. 573 Since individual systems may reside in autonomous network domains, it will require each network to have its own firewalled gateway to the outside world.