Related by context. Frequent words. (Click for all words.) 50 airtight 49 sterile 48 cocoon 47 insulated 46 enclosed 46 cloistered 44 encased 43 cylindrical 43 confines 42 claustrophobic 42 ventilated 42 walled 41 encapsulated 41 weatherproof 41 inert 41 cavity 40 impenetrable 40 enclosures 40 monolithic 40 fireproof 40 sequestered 40 Sealed 39 molded 39 compartments 39 impervious 39 rigid 39 caged 39 windowless 39 Plexiglas 38 honeycomb 38 watertight 38 miniaturized 38 enclosure 37 air conditioned 37 receptacle 37 coils 37 ivory tower 37 outer shell 37 envelops 37 isolation 37 IP# [003] 37 waterproof 37 insular 37 inside 37 vents 37 welded 37 snug 37 housings 37 subterranean 36 encapsulation 36 mesh 36 shielded 36 rarefied 36 isolated 36 outer 36 partitioned 36 snugly 36 innermost 36 breathable 36 extruded 36 passenger compartment 36 hothouse 36 specially designed 35 insulating 35 cocoons 35 sealed 35 sanitized 35 confined 35 envelop 35 ruggedized 35 unheated 35 -# ° C [002] 35 homogenized 35 linings 35 stainless steel 35 cooped 35 receptacles 35 inner sanctum 35 Housed 35 hardened 34 ensconced 34 compartment 34 homogeneous 34 bubble wrap 34 pressure cooker 34 warp 34 closeted 34 bulletproof 34 corrosive 34 indestructible 34 stuffy 34 vacuum 34 fishbowl 34 claustrophobia 34 dank 34 incubated 34 cavernous 33 militarized 33 spherical 33 lubricated 33 tamper proof