Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
surface-assimilative is an adjective meaning "having capacity or tendency to adsorb or cause to accumulate on a surface". It carries one recorded sense.
having capacity or tendency to adsorb or cause to accumulate on a surface
Definitions, synonyms and semantic relations for surface-assimilative come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.