epitheca

/ (ˌɛpɪˈθiːkə) /

noun plural -cae (-siː)

the outer and older layer of the cell wall of a diatom Compare hypotheca

Word Origin for epitheca

C19: from epi- + theca

Words nearby epitheca

epitendineum, epithalamion, epithalamium, epithalamus, epithalaxia, epitheca, epithecium, epithelial dystrophy, epithelial lamina, epithelial pearl, epithelial plug