Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unshielded is an adjective meaning "(used especially of machinery) not protected by a shield". It carries one recorded sense.
(used especially of machinery) not protected by a shield
Definitions, synonyms and semantic relations for unshielded come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.