Galvanize
Etymology
From Luigi Galvani, the 18th-century Italian scientist who found that a spark could make a dead frog’s leg twitch — evidence, he thought, of "animal electricity," later called galvanism. The dramatic image of electricity animating dead tissue gave English "galvanize," to rouse into action. The same name marks the industrial process of coating steel with zinc, developed from related electrical work.
verb · /GAL-vuh-nyze/
To shock or spur into sudden, decisive action.
What it names
For a jolt that rouses people from inertia into movement, as if by an electric current.
Example
The leaked memo galvanized the staff into organizing overnight.
Related idea
To galvanize is to jolt a group into action; a catalyst speeds a change that was already possible without being consumed — a rousing shock versus a facilitating agent.
verb · /GAL-vuh-nyze/
To coat iron or steel with a protective layer of zinc so it resists rust.
What it names
how nails, buckets, and roofing are weatherproofed.
Example
The fence posts were galvanized to survive the salt air.
Related idea
Both senses trace to Luigi Galvani’s work on electric current — one figurative jolt, one electrochemical process.