spermidine

S1P3E1R1M3I1D2I1N1E1
US/ˈspɝ.mə.din/

noun

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

OriginEnglish sperm ← Middle English sperme →
UncommonScrabble 15
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Meanings

nounspermidine (countable and uncountable, plural spermidines)

plural spermidines

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

Origin

  1. Middle Englishsperme
  2. Englishsperm
  3. Englishspermidine

From sperm + -idine.

Full word history & related roots →
Cite this entry
APA

spermidine. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/spermidine

MLA

“spermidine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/spermidine. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “spermidine,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/spermidine.

Source: spermidine on Wiktionary, CC BY-SA 4.0.