pheochromocytoma
noun
pheochromocytoma is spelled P-H-E-O-C-H-R-O-M-O-C-Y-T-O-M-A. The wrong spelling people search most is phenochromocytoma: about 30 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 208 of all searches for the word. Pheochromocytoma is a noun meaning “A neuroendocrine tumour of the medulla of the adrenal glands”. The plural of pheochromocytoma is pheochromocytomas or pheochromocytomata.
How do you spell pheochromocytoma?
Pheochromocytoma is spelled P-H-E-O-C-H-R-O-M-O-C-Y-T-O-M-A. 3 wrong spellings are searched or written often enough to measure; together they are about 1 in 105 of the searches for pheochromocytoma 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 pheochromocytoma mean?
noun
- 1
A neuroendocrine tumour of the medulla of the adrenal glands.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of pheochromocytoma
- pheochromocytomas plural
- pheochromocytomata plural
- phaeochromocytoma UK
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is pheochromocytoma?
Pheochromocytoma appears about once in every 15 million words in written English, the 117,098th 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).
Pheochromocytoma in Spanish, French, German and Portuguese
In the sense tumour:
| Language | Words |
|---|---|
| French | phéochromocytome |
| Spanish | feocromocitoma |
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 pheochromocytoma come from?
From pheochromocyte + -oma. By surface analysis, pheo- + -chrome + -o- + -cyte + -oma. Coined by Ludwig Pick in 1912.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).