Как переводится неочищенный шеллак на Английский язык

Перевод слова Lac на Русский язык:

Значения слова Lac в Английском языке:

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).

Примеры использования:

The lac operon

abbreviation

(in the raf) leading aircraftman or leading aircraftwoman.