What does zl stand for?

Drizzle - Meteorology

freezing drizzle (SAUS)

Hazelton Airlines - Airline code - Australia

Hazelton Air Services - ICAO designator (AD)

Z-Axis of Spacelab - NASA (NASA)

Zero Lift

Zero Line (SAUS)

Zloty - Monetary unit - Poland (EY)

Zone Law (SAUS)

Zoom Lens (SAUS)