[ spur-meen, -min ]
/ ˈspɜr min, -mɪn /
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a polyamine, H2N(CH2)3NH(CH2)4NH(CH2)3NH2, formed from spermidine and occurring in all cells, especially prevalent in semen, sputum, pancreatic tissue, and certain yeasts.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for spermine
/ (ˈspɜːmiːn, -mɪn) /
a white or colourless basic water-soluble amine that is found in semen, sputum, and animal tissues; diaminopropyltetramethylenediamine. Formula: C 10 H 26 N 4
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012