| the colloidal and liquid substance of which cells are formed, the cytoplasm and nucleus: no longer in technical use |
| occurring across a membrane, as an electric potential or the transport of ions or gases |
parent par·ent (pâr'ənt, pār'-)
n.
One who begets, gives birth to, or nurtures and raises a child; a father or a mother.
An ancestor; a progenitor.
An organism that produces or generates offspring.
To act as a parent to; to rear and nurture.
To cause to come into existence; to serve as a source for; originate.