subfloor
noun
subfloor is a noun meaning “The floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet” (English Wiktionary, September 2026). It is spelled S-U-B-F-L-O-O-R, and it appears about once in every 12 million words in written English (wordfreq, 2021 data). The plural of subfloor is subfloors.
What does subfloor mean?
noun
- 1
The floor structure supporting and underlying the visible flooring or other finishing surface such as a carpet
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of subfloor
- subfloors plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is subfloor?
Subfloor appears about once in every 12 million words in written English, the 102,771st 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).
Where does subfloor come from?
From sub- + floor.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).