Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
scintillation is a noun meaning "(physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle". It carries 5 recorded senses.
(physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle
physics
a brilliant display of wit
the quality of shining with a bright reflected light
the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight
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 scintillation come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.