The rare daily word game sweeping the globe. Find what's hidden in plain sight.

CORONIUM

8 letters

Definition of CORONIUM

noun

A supposed chemical element, hypothesized in the 19th century in order to explain a green emission line seen during the total solar eclipse of 7 August 1869 (actually highly ionized iron).

Wiktionary · CC BY-SA

Where it comes from

From corona + -ium, coined by a certain A. Gruenwald.

Etymology via Wiktionary (CC BY-SA).

Rarity score
Withheld
Revealed only in play
Tier
Withheld
Find it yourself

OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.

CORONIUM in OUTLIER

Players have found it on 2 boards so far.

Day 1Day 119
Its 2 boards, across 119 finished boards · taller bars are busier boards
2
Boards found on
72
First board
119
Latest board
47
Longest gap, days

It first turned up on Day 72, 31 July 2026. The most recent board was Day 119, 16 September 2026. It was on the latest finished board.

First ever to find it

tino

on Day 119, 16 September 2026 - before anyone else in Outlier's history. See the Pioneers

Built from these letters

CORONIUM
8
Letters
4
Vowels
4
Consonants
7
Different letters
1
Longest consonant run
2
Longest vowel run

CORONIUM starts with C and ends with M. Sorted, its letters read CIMNOORU - the shape to hunt for when the grid is scrambled. O appears more than once.

Words that start CORONI

Its neighbours in the OUTLIER dictionary - shortest first.

Could you have found CORONIUM?

OUTLIER is a daily word game. One grid, the same grid for everybody, and the words nobody else spots are the ones that pay. This word was on Day 72 - and most players walked straight past it.

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The OUTLIER card for CORONIUMDownload image