Unleaded definitions

ŭn-lĕd'ĭd
Containing no lead or lead compounds.

Unleaded paint.

adjective
30
0
Not containing tetraethyl lead.

Unleaded gasoline.

adjective
27
0
Not covered or weighted with lead.
adjective
27
0
Not containing lead compounds.
adjective
24
0
Not spaced or separated with lead, as lines of type.
adjective
24
1
Not having the lines of type separated by leads.
adjective
21
1
Without lead.
adjective
0
0
(US standard of identity, of gasoline) Containing no more than 0.05 grams of lead per gallon.
adjective
0
0

Origin of unleaded

un- +"Ž leaded. The standard of identity comes from 40 CFR §79.32.