meerschaum
/ˈmɪəʃəm/noun
mass noun
1- a soft white clay-like material consisting of hydrated magnesium silicate, found chiefly in Turkey海泡石。
1.1
- （亦作meerschaum pipe）[count noun] a tobacco pipe with the bowl made from this海泡石烟斗。
词源
late 18th cent.: from German, literally 'sea-foam'， from Meer 'sea' + Schaum 'foam'， translation of Persian kef-i-daryā. (alluding to the frothy appearance of the silicate).