# lawrencium

> English word · Noun · IPA /ləˈɹɛnsiəm/

## Definitions
1. A transuranic chemical element (symbol Lr, formerly Lw) with atomic number 103.

## Etymology
From Lawrence + -ium; named for Ernest Lawrence.

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