Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
lysosome is a noun meaning "an organelle found in the cytoplasm of most cells (especially in leukocytes and liver and kidney cells)". It carries one recorded sense.
an organelle found in the cytoplasm of most cells (especially in leukocytes and liver and kidney cells)
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 lysosome come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.