Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
calc-tufa is a noun meaning "a soft porous rock consisting of calcium carbonate deposited from springs rich in lime". It carries one recorded sense.
Definitions, synonyms and semantic relations for calc-tufa come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.