| LQ | longevity quotient; lordosis quotient; lower quadrant |
|---|---|
| RQ | recovery quotient; [Hazardous Substance] Reportable Quantities [List]; reportable quantity; respirat... |
| IQ, I.Q. | Intelligence Quotient; 지능지수(知能指數), 지능계수(知能系數) |
| SQ | Social Quotient; 사회지수 |
| BAQ | brain-age quotient |