thrombocytosis
noun
thrombocytosis is a noun meaning “The condition of having an abnormally high number of thrombocytes (platelets) in the bloodstream; can give a predisposition to thrombosis” (English Wiktionary, September 2026). It is spelled T-H-R-O-M-B-O-C-Y-T-O-S-I-S, and it appears about once in every 66 million words in written English (wordfreq, 2021 data). The plural of thrombocytosis is thrombocytoses.
What does thrombocytosis mean?
noun
- 1
The condition of having an abnormally high number of thrombocytes (platelets) in the bloodstream; can give a predisposition to thrombosis
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of thrombocytosis
- thrombocytoses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is thrombocytosis?
Thrombocytosis appears about once in every 66 million words in written English, the 255,765th 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).
Thrombocytosis in Spanish, French, German and Portuguese
In the sense having an abnormally high number of platelets in the bloodstream:
| Language | Words |
|---|---|
| French | thrombocytémie |
| Spanish | trombocitemia, trombocitosis |
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 thrombocytosis come from?
From thrombocyte + -osis = thrombo- + cytosis.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).