Flexible Abbreviations

Each abbreviation below, in everyday usage, can stand for two completely different things. What?

-1. AC
-2. PC
-3. MP
-4. BC
-5. PR
-6. OT
-7. TM
-8. PDA
-9. IRA
-10. ERA
-11. CD
-12. LOL
-13. LCD

2. politically correct personal computer

6. overtime / occupational therapy

11. compact disk/certificate of deposit

13. liquid crystal display / lowest common denominator

1. air conditioning/alternating current

5. public relations/permanent resident??

4.Before Christ/Bar Code

3. Member of Parliament / Military Policeman

Bernie

9. Individual Retirement Account/Irish Republican Army

10. Earned Run Average / Equal Rights Amendment

12. laughing out loud
little old lady

Wonderful solves!

While all of the answers probably work, #4, 5, and 12 need different ones added.

5. Personal Record??

12. Lots of luck??

12. lots of love

7. trademark, text message

8 - public display of affection ,personal digital assistant ?

Niki's got #12.

manxman and i are both incorrect ?

5. problem report

Manxman and niteowl also correct but on the second page so I missed them.

Gail, think of a country.

4. British Columbia?

5. Puerto Rico?

Correct on both counts, Doreen!