Meaning & use
organelle
A specialized structure within a cell that performs a specific function, such as a mitochondrion.
See it in a sentence
The mitochondrion is an organelle that converts nutrients into usable energy for the cell.
Under the microscope, students identified several organelles inside the plant cell, including the chloroplast.
A note on using this word
Organelle refers only to structures inside a cell; the cell membrane and cell wall are usually discussed separately.
Words with a similar meaning
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