hypercapnia
noun
hypercapnia is spelled H-Y-P-E-R-C-A-P-N-I-A. The wrong spelling people search most is hypercapnea: about 180 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 20 of all searches for the word. Hypercapnia is a noun meaning “The condition of abnormally elevated carbon dioxide in the blood”. The plural of hypercapnia is hypercapnias.
How do you spell hypercapnia?
Hypercapnia is spelled H-Y-P-E-R-C-A-P-N-I-A. One wrong spelling is searched or written often enough to measure; together they are about 1 in 20 of the searches for hypercapnia in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
What does hypercapnia mean?
noun
- 1
The condition of abnormally elevated carbon dioxide in the blood.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce hypercapnia?
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-hypercapnia.wav, Wikimedia Commons (author and licence on each file's page).
Forms of hypercapnia
- hypercapnias plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is hypercapnia?
Hypercapnia appears about once in every 42 million words in written English, the 199,120th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Hypercapnia in Spanish, French, German and Portuguese
In the sense condition of having an abnormally high concentration of carbon dioxide in the bl:
| Language | Words |
|---|---|
| French | hypercapnie |
| German | Hyperkapnie |
| Portuguese | hipercapnia |
| Spanish | hipercapnia |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does hypercapnia come from?
From hyper- + capn- + -ia; more at capno- § Etymology.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).