Yes.
"Lightweight" is one word.
She was always a lightweight drinker.The lightweight boxer won the match.The new car was lightweight.
'Lightweight' is an adjective. If you are saying that your mouse is not heavy, you'd say "My mouse is lightweight."
The anagram is lithium, a lightweight element.
A lightweight process is one which share the same address space.
One can buy a Landrover lightweight from the Lightweight Land Rover Club. The club hooks up users with sellers of used and Lightweight Landrovers. They have better prices than other online stores like Amazon.
Strong, lightweight, and corrosion-resistant.
Lightweight composite.
Another word for "light" as in not heavy is "lightweight."
Lightweight jacket
There are several places where a person can purchase a lightweight suitcase. Stores such as Sears, Macy's, Target, and Walmart all sell lightweight suitcases.
The anagram is pumice, a volcanic rock typically lightweight because of gas pockets.