lithium
a light metal used in batteries and medicine
Root
- lith: stone
Other words with the lith root
- monolith: a single large stone block or massive unified thing
- monolithic: massive, uniform, and hard to change
Lithium is named from the stone family. It gives lith a familiar modern doorway.
Her phone battery used lithium to hold a charge through the day.
Lithium is a useful hook because the word is familiar now, but the older image is stone. That helps monolith feel less random: lith is the stone family.