# philippium

> English word · Noun

## Definitions
1. A supposed metallic element obtainable from samarskite, later discovered to be a mixture of yttrium and terbium.

## Etymology
From French Philippe + -ium, after Philippe Plantamour of Geneva, Switzerland.

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