spermidine
[ spur-mi-deen, -din ]
/ ˈspɜr mɪˌdin, -dɪn /
Save This Word!
noun Biochemistry.
a biogenic polyamine, H2N(CH2)4NH(CH2)3NH2, formed from putrescine, occurring widely in nature and first identified in semen.
QUIZZES
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Meet Grammar Coach
Improve Your Writing
Words nearby spermidine
sperm bank, sperm cell, spermi-, spermic, spermicide, spermidine, spermiduct, spermine, spermiogenesis, spermo-, spermogonium
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Medical definitions for spermidine
spermidine
[ spûr′mĭ-dēn′ ]
n.
A polyamine compound found in ribosomes and living tissues and having various metabolic functions. It was originally isolated from semen.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.