polydimethylsiloxane
noun
polydimethylsiloxane is spelled P-O-L-Y-D-I-M-E-T-H-Y-L-S-I-L-O-X-A-N-E: 20 letters. It appears about once in every 42 million words in written English, the 199,120th most frequent word form (wordfreq, 2021 data). As a noun, polydimethylsiloxane means “The simplest silicone, being a polymer having a repeat unit of -Si(CH₃)₂-O- ; its properties depend on the degree of polymerization and range from…” (English Wiktionary, September 2026). The plural of polydimethylsiloxane is polydimethylsiloxanes.
How many letters and syllables are in polydimethylsiloxane?
| Letters | 20: P-O-L-Y-D-I-M-E-T-H-Y-L-S-I-L-O-X-A-N-E |
|---|---|
| In writing | about once in every 42 million words; the 199,120th 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 polydimethylsiloxane?
Polydimethylsiloxane appears about once in every 42 million words in written English, the 199,120th 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 polydimethylsiloxane
- polydimethylsiloxanes plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does polydimethylsiloxane mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The simplest silicone, being a polymer having a repeat unit of -Si(CH₃)₂-O- ; its properties depend on the degree of polymerization and range from that of an oil to a plastic
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).