Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
antimagnetic is an adjective meaning "impervious to the effects of a magnetic field; resistant to magnetization". It carries one recorded sense.
impervious to the effects of a magnetic field; resistant to magnetization
“an antimagnetic watch”
Definitions, synonyms and semantic relations for antimagnetic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .