stem cell

WordReference Random House Unabridged Dictionary of American English © 2025

stem′ cell′, [Cell Biol.]

1. Cell Biology a cell that upon division replaces its own numbers and also gives rise to cells that differentiate further into one or more specialized types, as various B cells and T cells.

• 1880–85

Collins Concise English Dictionary © HarperCollins Publishers::

stem cell noun

1. an undifferentiated cell that gives rise to specialized cells, such as blood cells