Abbreviations in English

abbreviation English
a.m. ante meridiem → before midday
ABC American Broadcasting Company
a/c account
acct.
a/c air conditioning
AC alternating current
AD anna domini (latin) → in the Year of the Lord
approx. approximately
Ave. Avenue
BA Bachelor of Arts
British Airways
B.o.T. Board of Trade
B&B (B+B) Bed and Breakfast
BBC British Broadcasting Corporation
BC Before Christ
BCE Before the Common/Current/Christian Era
BO body odour
BR British Rail
Bros. brothers
BST British Summer Time
BT British Telecom
BTA British Tourist Authority
c/o care of
CCTV closed-circuit television
CE Common/Current/Christian Era
CET Central European Time (GMT +1)
cf. confer (latin) → compare
CIA Central Intelligence Agency
CID Criminal Investigation Department
CIF cost, insurance, freight
CNN Cable News Network
COD cash/collection on delivery
C of E Church of England
CST Central Standard Time
CV curriculum vitae
DA district attorney
DC direct current
DIY do-it-yourself
DM Doctor of Medical Ethics
EC European Community
e.g. exempli gratia = for example
encl. enclosed
etc. et cetera
FAQ Frequently Asked Question
fig. figure
ft. feet (= 30,48 cm)
gal. gallon (= 3,785 l)
gallon (= 4,564 l)
GCSE General Certificate of Secondary Education
GMT Greenwich Mean Time
GPS Global Positioning System
HP horsepower
h&c hot and cold
hr hour
HRH Her/His Royal Highness
ht height
i.e. id est (latin) → that is
lb pound (= 453,59 g)
Ltd Limited
MA Master of Arts
mph miles per hour
Mr Mister
Mrs Missis
Ms Miss
NBC National Broadcasting Company
no number
OAP old-age pensioner
OHP overhead projector
p.a. per annum
p.m. post meridiem → after midday
PE physical education
pp pages
PS postscript
pt part
pint
point
pto please turn over
RC Roman Catholic
Rd road
RE Religious Education
Sq. square
St. street
state
Saint
tbs/tbsp tablespooful
yd yard

Thanks to Gregor, John, Peter and Sharon.