(Physics) A very-low-frequency electromagnetic wave of 1 to 30 kilohertz produced by atmospheric disturbances such as lightning and having a characteristically decreasing frequency responsible for a whistling sound in detection equipment.
A hoary marmot.
large North American mountain marmot
Find another word for hoary-marmot. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for hoary-marmot, like: whistler, whistling-marmot and Marmota caligata.