Organoid

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An organelle.
  2. 2
    A mass of cells, either artificially grown in vitro to simulate an organ or an abnormal mass that resembles an organ in structural appearance or qualities, such as a tumour.
Adjective
  1. 1
    Resembling an organ of the body.

Etymology

From organ + -oid.

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