MECO
noun
MECO is spelled M-E-C-O: 4 letters. It appears about once in every 22 million words in written English, the 143,405th most frequent word form (wordfreq, 2021 data). As a noun, MECO means “Acronym of main engine cut-off” (English Wiktionary, September 2026). The plural of MECO is MECOs.
How many letters and syllables are in MECO?
| Letters | 4: M-E-C-O |
|---|---|
| In writing | about once in every 22 million words; the 143,405th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is MECO?
MECO appears about once in every 22 million words in written English, the 143,405th 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).
Forms of MECO
- MECOs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does MECO mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Acronym of main engine cut-off.
- 2
Acronym of magnetospheric eternally collapsing object.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does MECO come from?
From combining form of Ancient Greek μῆκος (mêkos, “length”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).