ˈpech- noun
Usage: usually capitalized 1st P
Etymology: after F. H. Poetsch, 19th century German mining engineer
: a method of excavating in which soft water-bearing formations are first artificially frozen and then mined while still solid
ˈpech- noun
Usage: usually capitalized 1st P
Etymology: after F. H. Poetsch, 19th century German mining engineer
: a method of excavating in which soft water-bearing formations are first artificially frozen and then mined while still solid
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012