List of 12-letter words ending with

Click to choose the fifth to last letter

Click to remove the fifth to last letter

Click to change word size
All alphabetical All by size 5 6 7 8 9 10 11 12 13 14

There are 15 twelve-letter words ending with NIUM

ANDROCLINIUM	• ANDROCLINIUM n. another name for the clinandrium, a cavity in the upper part of the column of an orchid flower that contains the anthers.
BIMILLENNIUM	• BIMILLENNIUM n. (Latin) a period of two thousand years.
CUPRAMMONIUM	• cuprammonium n. (Inorganic chemistry) Synonym of cuproammonium. • CUPRAMMONIUM n. a solution of cupric hydroxide in ammonia.
DURALUMINIUM	• duraluminium n. Synonym of duralumin. • DURALUMINIUM n. a strong, light, aluminium alloy containing copper, also DURAL, DURALUMIN.
NONALUMINIUM	• nonaluminium adj. (British spelling) Alternative form of nonaluminum. • NONALUMINIUM adj. not made of aluminium, also NONALUMINUM.
PANDAEMONIUM	• pandaemonium n. Alternative spelling of pandemonium. • pandæmonium n. (Archaic) Alternative form of pandemonium. • Pandæmonium prop.n. The high capital of Hell in John Milton’s Paradise Lost.
PANHELLENIUM	• Panhellenium n. (Historical) An assembly or association of Greeks from all the states of Ancient Greece. • PANHELLENIUM n. a council representing all the sections of the Greeks, also PANHELLENION.
PERISELENIUM	• PERISELENIUM n. in an elliptical orbit about the moon, that point which is closest to the moon.
POSTLIMINIUM	• postliminium n. (Historical, Roman antiquity) The return to his own country, and his former privileges, of a person… • postliminium n. (Law) The right by virtue of which persons and things taken by an enemy in war are restored to their… • POSTLIMINIUM n. the right by which persons and property seized in war are restored to their former status on recovery, also POSTLIMINY.
PROTACTINIUM	• protactinium n. A chemical element (symbol Pa) with atomic number 91: a dense, silvery-gray actinide metal. • PROTACTINIUM n. a radioactive metallic chemical element, a member of the actinide series which occurs as a decay product in uranium ores.
QUADRIENNIUM	• QUADRIENNIUM n. (Latin) a period of four years, also QUADRENNIUM.
QUINQUENNIUM	• quinquennium n. A period of five years. • QUINQUENNIUM n. a period of five years, also QUINQUENNIAD.
SPERMAGONIUM	• spermagonium n. (Lichenology) Alternative spelling of spermogonium. • SPERMAGONIUM n. a receptacle in which spermatia are produced in some fungi and lichens.
SPERMOGONIUM	• spermogonium n. (Lichenology) A conceptacle of certain lichens, containing spermatia. • SPERMOGONIUM n. a flask-shaped structure in some fungi, also SPERMOGONE.
TRANSURANIUM	• transuranium adj. Transuranic. • TRANSURANIUM adj. of an element, having an atomic number greater than that of uranium, also TRANSURANIAN.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

	Back to top
Previous List	Next List

See this list for:

English Wiktionary: 74 words
Scrabble in French: 1 word
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

Recommended websites

Visit WikWik.org - to search for words and build lists from Wiktionary's words.
www.BestWordList.com to create personalized word lists.
www.BestWordClub.com to play duplicate online scrabble.
1word.ws to play with words, anagrams, suffixes, prefixes, etc.
Ortograf.ws to look for words.

This site uses web cookies, click to learn more. Our privacy policy.
© Ortograf Inc. Website updated on 1 January 2024 (v-2.2.0z). Informations & Contacts.