Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ssri is a noun meaning "an antidepressant drug that acts by blocking the reuptake of serotonin so that more serotonin is available to act on receptors in the brain". It carries one recorded sense.
an antidepressant drug that acts by blocking the reuptake of serotonin so that more serotonin is available to act on receptors in the brain
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 ssri come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.