say it: im-OH-buh-lahy-zing
immobilizing is a noun meaning "the act of limiting movement or making incapable of movement". It carries one recorded sense.
the act of limiting movement or making incapable of movement
“the storm caused complete immobilization of the rescue team”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for immobilizing come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.