tufa

About 0.15 uses per million words.

Meaning

1. noun Calcareous lime deposited by precipitation from a body of water, such as a hot spring.
2. noun A variety of volcanic rock, tuff.

Similar words

lithoid calc-tufa calc-tuff calctuff calctufa hypertufa calciturbidite calcisol thinolite tidalite

Often followed by

and blocks of is rock in or deposits stone

Word family

tufaceous tufas