# Riess spiral

> English word · Noun

## Definitions
1. Either of a pair of spirally wound conductors with metal balls at their ends. Placing one above the other forms an induction coil.

## Etymology
Named after German physicist Peter Theophil Riess.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/riess-spiral