■ verb
1》 pack (a blast hole) full of clay or sand to concentrate the force of the explosion.
2》 firmly ram or pack (a substance) down or into something.
Origin
C19: prob. a back-form. from ~in (interpreted as '~ing'), var. of ~ion .
■ verb
1》 pack (a blast hole) full of clay or sand to concentrate the force of the explosion.
2》 firmly ram or pack (a substance) down or into something.
Origin
C19: prob. a back-form. from ~in (interpreted as '~ing'), var. of ~ion .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004