caprock
noun
caprock is spelled C-A-P-R-O-C-K: 7 letters. It appears about once in every 21 million words in written English, the 138,319th most frequent word form (wordfreq, 2021 data). As a noun, caprock means “A harder or more resistant rock type overlying a weaker or less resistant rock type” (English Wiktionary, September 2026). The plural of caprock is caprocks.
How many letters and syllables are in caprock?
| Letters | 7: C-A-P-R-O-C-K |
|---|---|
| In writing | about once in every 21 million words; the 138,319th 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 caprock?
Caprock appears about once in every 21 million words in written English, the 138,319th 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 caprock
- caprocks plural
- cap rock
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does caprock mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A harder or more resistant rock type overlying a weaker or less resistant rock type.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does caprock come from?
From cap + rock.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).