from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation prostate-specific antigen
  • abbreviation public service announcement

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • initialism Prostate-Specific Antigen
  • initialism Public Service Announcement

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a protein manufactured exclusively by the prostate gland; PSA is produced for the ejaculate where it liquifies the semen and allows sperm cells to swim freely; elevated levels of PSA in blood serum are associated with benign prostatic hyperplasia and prostate cancer


Sorry, no etymologies found.


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