| 释义 |
Definition of puff stone in English: puff stonenoun English Regional A soft, porous, calcareous rock; tufa.
Origin Mid 17th century; earliest use found in John Smyth (1567–1641), antiquary and parliamentary diarist. Definition of puff stone in US English: puff stonenoun English Regional A soft, porous, calcareous rock; tufa.
Origin Mid 17th century; earliest use found in John Smyth (1567–1641), antiquary and parliamentary diarist. |