from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A dividing cell that gives rise to a mature lymphocyte.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An immature lymphocyte; they proliferate uncontrollably in lymphoblastic leukemia
from The Century Dictionary and Cyclopedia
- n. A leucocyte of lymph-gland origin, which possesses feeble phagocytic properties: distinguished from the myeloblast.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an immature lymphocyte
lympho- + -blast (Wiktionary)