from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The undifferentiated plant tissue from which new cells are formed, as that at the tip of a stem or root.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The plant tissue composed of totipotent cells that allows plant growth.
from the GNU version of the Collaborative International Dictionary of English
- n. A tissue of growing cells, or cells capable of further division.
from The Century Dictionary and Cyclopedia
- n. Actively dividing cell-tissue; the unformed and growing cell-tissues found at the ends of young stems, leaves, and roots.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. undifferentiated tissue from which new cells are formed, as at the tip of a stem or root
Greek meristos, divided (from merizein, to divide, from meris, division; see (s)mer-2 in Indo-European roots) + -em (as in xylem and phloem).(American Heritage® Dictionary of the English Language, Fourth Edition)
From the Ancient Greek μεριστός (meristos, "divided"). First used German in 1858, by Karl Wilhelm von Nägeli (1817-1891) in his Beiträge zur Wissenschaftlichen Botanik. (Wiktionary)