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Well done Wit.
Mr P hit the post getting part A right. But with part A and part B (‘Sailing By’ – the introduction to the Shipping Forecast on Radio 4.) it’s over to you
to move it on a bit more:
OD = omne in die = "once a day"
bid = bis in die = "twice a day"
tds = ter die sumendus = "three times a day"
QDS = Quater in Dies = "four times a day"
you’ll see these used by doctors to describe dosages on prescriptions and medical records, and it seems to matter whether its upper-case or lower:
http://www.medilexicon.com/medicalabbreviations.php
there is typically one more in the series, hence to restate the original question:
[what?] = [what?] = "as needed" ?
remembering that one of the answers offered above got 2/3rds of the way there.
Got the Latin Wit, hence my NPO –
nil per ossa
, but can’t fathom your 2/3 clue
OPD –
octo per diem
maybe?
please forgive the vulgar latin if the case inflection is wrong
Don’t know my ablative from my accusative
hi drone,
the 2/3 just meant that in NPO you have two of the three letters in the answer.
forget both "O" and "per".
Ah, got it after much unnecessary fiddling about with night/
nocte
as the N
as needed =
pro re nata
= prn, or PRN dunno which
Perhaps O Level (or was it A Level?) Latin and Greek should still be compulsory for those wishing to enter Medical School?
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