Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
discernable is an adjective meaning "perceptible by the senses or intellect". It carries one recorded sense.
perceptible by the senses or intellect
“things happen in the earth and sky with no discernible cause”
“the newspaper reports no discernible progress in the negotiations”
“the skyline is easily discernible even at a distance of several miles”
Definitions, synonyms and semantic relations for discernable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.