tufa
Kelime Anlamı :

1. süngertaşı.
2. tufa.
3. ırmak veya kaynaklarda oluşan bir çeşit kireçtaş.
4. tüf.
Tanımlar :
1. the calcareous and siliceous rock deposits of springs, lakes, or ground water.
2. see tuff.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. the calcareous deposit of lime found near hot springs
2. the volcanic rock tuff
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. A soft or porous stone formed by depositions from water, usually calcareous; -- called also calcareous tufa.
2. A friable volcanic rock or conglomerate, formed of consolidated cinders, or scoria.
from the GNU version of the Collaborative International Dictionary of English
1. A rock having a rough or cellular texture, sometimes a fragmental volcanic material, and sometimes a calcareous deposit from springs.
from The Century Dictionary and Cyclopedia
1. hard volcanic rock composed of compacted volcanic ash
2. a soft porous rock consisting of calcium carbonate deposited from springs rich in lime
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.