Skip to main content

prosthesis

/pɹɒsˈθiːsɪs/noun

prosthesis is spelled P-R-O-S-T-H-E-S-I-S: 10 letters and 3 syllables. It appears about once in every 2 million words in written English, the 36,998th most frequent word form (wordfreq, 2021 data). As a noun, prosthesis means “An artificial replacement for a body part, either internal or external” (English Wiktionary, September 2026). The plural of prosthesis is prostheses.

How many letters and syllables are in prosthesis?

Letters10: P-R-O-S-T-H-E-S-I-S
Syllables3 (from its American pronunciation)
In writingabout once in every 2 million words; the 36,998th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is prosthesis?

Prosthesis appears about once in every 2 million words in written English, the 36,998th 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).

How do you pronounce prosthesis?

  • /pɹɒsˈθiːsɪs/
  • /ˈpɹɒsθəsɪs/

Prosthesis has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-prosthesis.oga, Wikimedia Commons (author and licence on each file's page).

Forms of prosthesis

  • prostheses plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does prosthesis mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    An artificial replacement for a body part, either internal or external.

  2. 2

    Prothesis.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Prosthesis in Spanish, French, German and Portuguese

In the sense artificial replacement for a body part:

LanguageWords
Frenchprothèse
GermanProthese, Kunstglied
Portugueseprótese
Spanishprótesis

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 prosthesis come from?

Via Latin, from Ancient Greek πρόσθεσις (prósthesis, “addition”), from προστίθημι (prostíthēmi, “to add”), from πρός (prós, “towards”) + τίθημι (títhēmi, “to place”), from Proto-Indo-European *próti, *préti + *dʰédʰeh₁ti (“to be putting, to be placing”). By surface analysis, prosth- + -esis.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after prosthesis