a soft porous rock consisting of calcium carbonate deposited from springs rich in lime
Syn: ↑tufa
Hypernyms: ↑rock, ↑stone

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\\ˈkalk|tüfə\ noun or calc-tuff \\-ˌtəf, -üf\ (-s)
Etymology: German kalk + English tufa or tuff

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/kalk"tooh'feuh, -tyooh'-/, n.
tufa (def. 1).
Also, calc-tuff /kalk"tuf'/.
[1815-25; CALC- + TUFA]

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Calc-tufa — Calc tu fa, n. [G. kalk (l. calx) lime + E. tufa.] See under {Calcite}. [1913 Webster] …   The Collaborative International Dictionary of English

  • calc-tufa — /kalk tooh feuh, tyooh /, n. tufa (def. 1). Also, calc tuff /kalk tuf /. [1815 25; CALC + TUFA] * * * …   Universalium

  • calc-tufa — calc tu·fa …   English syllables

  • calc-tufa — /ˈkælk tufə/ (say kalk toohfuh) noun calcareous tufa. See tufa. Also, calc tuff /ˈkælk tʌf/ (say kalk tuf) …  

  • tufa — tufaceous /tooh fay sheuhs, tyooh /, adj. /tooh feuh, tyooh /, n. Geol. 1. Also called calcareous tufa, calc tufa, calc tuff. a porous limestone formed from calcium carbonate deposited by springs or the like. Cf. travertine. 2. (not in technical… …   Universalium

  • calc-spar — Calcite Cal cite (k[a^]l s[imac]t), n. [L. calx, calcis, lime.] (Min.) Calcium carbonate, or carbonate of lime. It is rhombohedral in its crystallization, and thus distinguished from aragonite. It includes common limestone, chalk, and marble.… …   The Collaborative International Dictionary of English

  • calc- — 1. a combining form of calcareous: calc tufa. 2. var. of calci before a vowel: calcic. [ < G Kalk lime < L calc (s. of calx) lime, limestone; see CALX, CHALK] * * * …   Universalium

  • calc-tuff — noun see calc tufa …   Useful english dictionary

  • calc-tu|fa — «KALK TOO fuh», noun. Mineralogy. calcareous tufa. ╂[< calc , as in calc sinter + tufa] …   Useful english dictionary

  • sinter — /sin teuhr/, n. 1. siliceous or calcareous matter deposited by springs, as that formed around the vent of a geyser. 2. Metall. the product of a sintering operation. v.t. 3. Metall. to bring about agglomeration in (metal particles) by heating.… …   Universalium

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