Cl

symbol

the chemical element chlorine.

1. centilitre.

   70 cl bottles

1. chemiluminescence.
2. Sri Lanka (international vehicle registration).

noun, symbol

a metric unit of capacity, equal to one hundredth of a litre.

noun, symbol

the chemical element of atomic number 17, a toxic, irritant, pale green gas.

early 19th century: named by Sir Humphrey Davy, from Greek khlōros ‘green’ + -ine⁴.