lexical pointers
derivationally related form
semantic pointers
hyponym
airlock, air lock
bombproof, bomb shelter, air-raid shelter
burial chamber, sepulcher, sepulchre, sepulture
caisson, pneumatic caisson, cofferdam
camera obscura
core
cylinder, piston chamber
firing chamber, gun chamber
furnace
hyperbaric chamber
particle detector
resonator, cavity resonator, resonating chamber
steam chest
stokehold, stokehole, fireroom
stuffing box, packing box
tokamak
vacuum chamber
hypernym