The meaning of Lac

noun

A resinous substance secreted as a protective covering by the lac insect, used to make varnish, shellac, sealing wax, dyes, etc.

adjective

Denoting the ability of normal strains of the bacterium e. coli to metabolize lactose, or the genetic factors involved in this ability (which is lost in some mutant strains).

Usage examples:

The lac operon

noun

Variant spelling of lakh.

abbreviation

(in the raf) leading aircraftman or leading aircraftwoman.

noun

A hundred thousand.

Usage examples:

They fixed the price at five lakhs of rupees