Definition of meristoderm in US English:

meristoderm

noun

Botany
  • A superficial layer of meristematic cells found in some brown algae, which remains active in the adult sporophyte and contributes to intercalary growth.

Origin

1940s; earliest use found in Felix Fritsch (1879–1954), algologist. From French méristoderme from ancient Greek μεριστός divided, divisible + -o- + French -derme.

Pronunciation

meristoderm

/məˈrɪstə(ʊ)dəːm/