SNR

plural SNRs

1. businesssignal-to-noise ratio
2. astronomysupernova remnant
3. abbreviationinitialismacousticsInitialism of Single Number Rating, a measure of the efficacy of hearing protection.

alternative Sr · alternative Sr.

1. UKabbreviationAbbreviation of senior; a title used after a father's name when his son is given the same name.

   Ricky Hatton's ex-coach Floyd Mayweather Snr believes it is inevitable the former world champion will be forced into making a ring comeback.

   2010, “Mayweather Snr feels Hatton will fight again”, in ESPN

   1 more example

   His father, Barack Obama Snr, was a visiting foreign student at university in Hawaii where he met and married Ann Dunham, the corn-fed product of Kansas parents, who was also studying at the college.

   2006, Barack Obama: New kid on the political block, BBC