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spermidine

/ˈspɝ.mə.din/noun

spermidine is spelled S-P-E-R-M-I-D-I-N-E. The wrong spelling people search most is spermadine: about 430 Bing searches a month in the United States (September 2025 to August 2026), about 2 in 10 of all searches for the word. Spermidine is a noun meaning “The triamine N-(3-aminopropyl)butane-1,4-diamine, originally obtained from semen, that is involved in cell…”. The plural of spermidine is spermidines.

How do you spell spermidine?

Spermidine is spelled S-P-E-R-M-I-D-I-N-E. One wrong spelling is searched or written often enough to measure; together they are about 2 in 10 of the searches for spermidine in either form.

spermidinethe right spelling1,910 searches a month
spermadinea in place of i430 searches a month

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 spermidine mean?

noun

  1. 1

    The triamine N-(3-aminopropyl)butane-1,4-diamine, originally obtained from semen, that is involved in cell metabolism.

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

How do you pronounce spermidine?

  • US /ˈspɝ.mə.din/

Spermidine has 3 syllables (counted from the pronunciation).

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

Forms of spermidine

  • spermidines plural

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

How common is spermidine?

Spermidine appears about once in every 43 million words in written English, the 201,693rd 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 spermidine come from?

From sperm + -idine.

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