microorganismo
Portuguese, noun
microorganismo is spelled M-I-C-R-O-O-R-G-A-N-I-S-M-O (14 letters) and appears about once in every 9 million words in written Portuguese, the 93,598th most frequent Portuguese word form (wordfreq, 2021 data). Microorganismo is a Portuguese masculine noun meaning “pre-reform spelling (used until 1990) of micro-organismo; still used where the agreement hasn’t come into effect and may occur as a…” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “Denominação comum a organismos microscópicos”.
What does microorganismo mean in English?
noun
- 1
masculinepre-reform spelling (used until 1990) of micro-organismo; still used where the agreement hasn’t come into effect and may occur as a sporadic misspelling
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
noun: 1. Denominação comum a organismos microscópicos. 2. Organismo, animal ou vegetal, de dimensões microscópicas. Emprega-se o termo para designar especificamente os germes patogênicos: protozoários, espiroquetas, micetes, bactérias, rickéttsias e vírus.
The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.
Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of microorganismo
- microorganismos plural
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How common is microorganismo in Portuguese?
microorganismo appears about once in every 9 million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).