# Petkau effect

> English word · Noun

## Definitions
1. An early counterexample to linear-effect assumptions usually made about radiation exposure.

## Etymology
Named after Abram Petkau.

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