helpfulinvention
nounUK /ˈhelpfəl ɪnˈvenʃən/
US /ˈhelpfəl ɪnˈvenʃən/
A helpful invention is a new thing that makes life easier for people.
The wheel was a helpful invention that made it easier to move things.
RELATED WORDS
OTHER MEANINGS
2. A clever idea that solves a problem for someone.
Her helpful invention of a homework chart kept the whole class organized.
3. A simple tool that saves time and effort.
The can opener was a helpful invention for opening food quickly.
4. Something new that makes a hard job much easier.
The washing machine was a helpful invention for busy families.