sodium bicarbonate

/ˈsoʊdiəm ˌbaɪˈkɑɹbəneɪt/

//ˈsoʊdiəm ˌbaɪˈkɑɹbəneɪt// noun

"sodium-bicarbonate" is a 17-letter English headword indexed on PlainSpell.

The verdict

“sodium bicarbonate” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
18
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A salt of sodium hydroxide and carbonic acid, NaHCO₃.

Corpus desk

Index EN-sodium-bicarbonate · sodium bicarbonate · English

sodium bicarbonate · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 18 letters
  • VOW-8 8 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" thin
  • PHOTO-UNK Peer pending

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.

Key facts for sodium bicarbonate
PropertyValue
Headwordsodium bicarbonate
LanguageEnglish
Part of speechNoun
IPA/ˈsoʊdiəm ˌbaɪˈkɑɹbəneɪt/
Letters18
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “sodium bicarbonate” in English

sodium bicarbonatefalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

sodium bicarbonate is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈsoʊdiəm ˌbaɪˈkɑɹbəneɪt/. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for sodium bicarbonate in our index, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.

Our source data has no etymology on file for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is sodium bicarbonate, spelled S-O-D-I-U-M- -B-I-C-A-R-B-O-N-A-T-E.

Definition

  1. 1
    A salt of sodium hydroxide and carbonic acid, NaHCO₃.
  2. 2
    A salt of sodium hydroxide and carbonic acid, NaHCO₃.

Synonyms

bicarbonate of sodabaking sodabicarb sodabread sodaE500sodium hydrogen carbonate

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "sodium bicarbonate"?
"sodium bicarbonate" is spelled S-O-D-I-U-M- -B-I-C-A-R-B-O-N-A-T-E. The IPA pronunciation is /ˈsoʊdiəm ˌbaɪˈkɑɹbəneɪt/.
What does "sodium bicarbonate" mean?
As a noun, "sodium bicarbonate" means: A salt of sodium hydroxide and carbonic acid, NaHCO₃.
How do you pronounce "sodium bicarbonate"?
The IPA (International Phonetic Alphabet) transcription for "sodium bicarbonate" is /ˈsoʊdiəm ˌbaɪˈkɑɹbəneɪt/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "sodium bicarbonate" come from?
"sodium bicarbonate" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

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

Source: FrequencyWords open word-frequency list