hypotheca

British

/ ˌhaɪpəʊˈθiːkə /

noun

the inner and younger layer of the cell wall of a diatom Compare epitheca

"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

Etymology

Origin of hypotheca

from _hypo- + _theca

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023