- The definition of an organelle is a structure in a cell with a specific function.
An example of an organelle is a centriole.
a discrete structure within a cell, as a chloroplast or centriole, characterized by having specialized functions, a usually distinctive chemical composition, and an identifying molecular structure: often found in large numbers in a particular cell
Origin of organelleGerman ; from Modern Latin organella ; from Classical Latin organum (; from Classical Greek organon: see organ) + -ella, feminine of -ellus, diminutive suffix
A differentiated structure within a cell, such as a mitochondrion, vacuole, or chloroplast, that performs a specific function.
Origin of organelleNew Latin organella, diminutive of Medieval Latin organum, organ of the body, from Latin, implement, tool; see organ.
- (cytology) A specialized structure found inside cells that carries out a specific life process (e.g. ribosomes, vacuoles).