Electromagnetic radiation is all around us, though we can only see some of it. All EM radiation (also called EM energy) is made up of minute packets of energy or 'particles,' called photons, which travel in a wave-like pattern and move at the speed of light. The EM spectrum is divided into categories defined by a range of numbers.
Externally, marshmallow root is very useful in the form of poultice, to discuss painful, inflammatory tumors, and swellings of every kind, whether the consequence of wounds, bruises, burns, scalds, or poisons; and has, when thus applied, had a happy effect in preventing the occurrence of gangrene.
Freebase(0.00 / 0 votes)Rate this definition: Marshmallow. Marshmallow is a confection that, in its modern form, typically consists of sugar and/or corn syrup, water, and gelatin, whipped to a spongy consistency, molded into small cylindrical pieces, and coated with corn starch. Some marshmallow recipes call for eggs.