francium
(Fr) [fran´se-um] a chemical element, atomic number 87, atomic weight 223. (See Appendix 6.)
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Fr
Farlex Partner Medical Dictionary © Farlex 2012
Fr
Symbol for francium.
Fr
Abbreviation for French scale.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012