noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A layer of tissue beneath the epidermis in plants, performing the physiological function of strengthening the epidermal tissue. In phanerogamous plants it is developed as collenchyma.
2. 2
   An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids, and some other invertebrates.

Synonyms

All synonyms

genus hypoderma

Etymology

From hypo- + -derma.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.