What's the difference between byname and cognomen?

Byname


Definition:

  • (v. t.) To give a nickname to.

Example Sentences:

  • (1) An antibody specific for chromomycin A3 (CHM; byname, toyomycin) was produced in sufficiently high titer in rabbits by immunization with a CHM-bovine serum albumin conjugate, prepared using diazotized p-aminobenzoic acid as a coupling agent.

Cognomen


Definition:

  • (n.) The last of the three names of a person among the ancient Romans, denoting his house or family.
  • (n.) A surname.

Example Sentences:

  • (1) Childish amusement in punning on cognomens may be an even greater stimulant for learning than visual configurations or artificial cognitive devices.
  • (2) The obligate, one-carbon, methane-methanol bacteria are considered as "methyl" utilizers, and the prefix "Methylo-" is suggested as a solution to the problem of generic cognomens.
  • (3) 1988 marks the centenary of the cognomen "tetralogy of Fallot".