noun
: a flame or part of a flame (as the inner cone of a gas flame) having partially burned gas and being capable of extracting oxygen from various metallic oxides placed within it
noun
: a flame or part of a flame (as the inner cone of a gas flame) having partially burned gas and being capable of extracting oxygen from various metallic oxides placed within it
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012