tantalum

/ˈtæntələm/

//ˈtæntələm// noun

"tantalum" is a 8-letter English headword indexed on PlainSpell.

The verdict

“tantalum” is uncommon English (frequency #56,480 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.

#56,480
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A chemical element (symbol Ta) with atomic number 73: a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant.

Corpus desk

Index EN-tantalum · tantalum · English

tantalum · rank #56,480 · 0 variants · 0 confusables

  • FREQ-RARE #56,480
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH tannin

Nearest frequency peer: tannin (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “tantalum”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “tantalum” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for tantalum
PropertyValue
Headwordtantalum
LanguageEnglish
Part of speechNoun
IPA/ˈtæntələm/
Letters8
Frequency rank#56,480
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “tantalum” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).tantalumfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “tannin” (#56,479), “Tati” (#56,481), “taha” (#56,478). Among 3,151 “T” headwords, “tantalum” is #56,480. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

tantalum is uncommon English at frequency #56,480 among 3,151 “T” headwords, classed as anoun, transcribed /ˈtæntələm/. Rarity is why readers land here mid-draft. Gloss: "A chemical element (symbol Ta) with atomic number 73: a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant.".

No generated misspelling entries exist for tantalum in our index, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: A New Latin word derived by Swedish chemist Anders Gustaf Ekeberg in 1802, from Latin Tantalus, named after Tantalus, alluding to the element's incapacity to absorb acid. See -ium. The correct English form is tantalum, spelled T-A-N-T-A-L-U-M.

Definition

  1. 1
    A chemical element (symbol Ta) with atomic number 73: a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant.

Etymology

A New Latin word derived by Swedish chemist Anders Gustaf Ekeberg in 1802, from Latin Tantalus, named after Tantalus, alluding to the element's incapacity to absorb acid. See -ium.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "tantalum"?
"tantalum" is spelled T-A-N-T-A-L-U-M. The IPA pronunciation is /ˈtæntələm/.
What does "tantalum" mean?
As a noun, "tantalum" means: A chemical element (symbol Ta) with atomic number 73: a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant.
How do you pronounce "tantalum"?
The IPA (International Phonetic Alphabet) transcription for "tantalum" is /ˈtæntələm/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "tantalum"?
A New Latin word derived by Swedish chemist Anders Gustaf Ekeberg in 1802, from Latin Tantalus, named after Tantalus, alluding to the element's incapacity to absorb acid. See -ium. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "tantalum", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list