semipermeable
/ˌsɛmiˈpɜː(ɹ)miəbəl/adjective
semipermeable is spelled S-E-M-I-P-E-R-M-E-A-B-L-E. The wrong spelling people search most is semipermiable: about 10 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 21 of all searches for the word. Semipermeable is an adjective meaning “Permeable to some things and not to others, as a cell membrane which allows some molecules through but blocks…”.
How do you spell semipermeable?
Semipermeable is spelled S-E-M-I-P-E-R-M-E-A-B-L-E. One wrong spelling is searched or written often enough to measure; together they are about 1 in 21 of the searches for semipermeable in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
What does semipermeable mean?
adjective
- 1
Permeable to some things and not to others, as a cell membrane which allows some molecules through but blocks other substances.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce semipermeable?
- /ˌsɛmiˈpɜː(ɹ)miəbəl/
- /ˌsɛmaɪ-/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of semipermeable
- more semipermeable comparative
- most semipermeable superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is semipermeable?
Semipermeable appears about once in every 32 million words in written English, the 171,907th 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).
Semipermeable in Spanish, French, German and Portuguese
In the sense permeable to some things and not to others:
| Language | Words |
|---|---|
| French | semiperméable |
| German | halbdurchlässig |
| Spanish | semipermeable |
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 semipermeable come from?
From semi- + permeable.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).