proton

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proton

 [pro´ton]
an elementary particle of mass number 1, with a positive charge equal to the negative charge of the electron; a constituent particle of every nucleus, the number of protons in the nucleus of each atom of a chemical element being indicated by its atomic number.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

pro·ton (p),

(prō'ton),
The positively charged unit of the nuclear mass; protons form part (or in hydrogen 1 the whole) of the nucleus of the atom around which the negative electrons revolve.
[G. ntr. of prōtos, first]
Farlex Partner Medical Dictionary © Farlex 2012

proton

A positively charged particle located in the nucleus of an atom of an element, the number of which governs its chemical properties.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

pro·ton

(prō'ton)
The positively charged unit of the nuclear mass; protons form part (or in hydrogen 1, the whole) of the nucleus of the atom around which the negative electrons revolve.
[G. ntr. of prōtos, first]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

proton

The positively-charged nucleus of a hydrogen atom. A hydrogen ion and the basis of acids.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

pro·ton

(prō'ton)
The positively charged unit of the nuclear mass; protons form part (or in hydrogen 1, the whole) of the nucleus of the atom around which the negative electrons revolve.
[G. ntr. of prōtos, first]
Medical Dictionary for the Dental Professions © Farlex 2012