The crossword solutions for the term 'dumbbell, e.g.' are 'NEBULA' and 'WEIGHT'. A dumbbell is a type of free WEIGHT used in strength training. It consists of two weighted discs connected by a short bar. The discs are usually made of metal, rubber, or plastic and are filled with sand, iron, or other materials to add WEIGHT. A NEBULA is an interstellar cloud of dust, hydrogen, helium, and other ionized gases. It is typically composed of gas and dust and is often associated with star formation. WEIGHT is a measure of the force of gravity on an object. It is measured in units such as kilograms, pounds, or ounces.