There are 2 definitions of hl in English:

hl1

Line breaks: hl

abbreviation

Hectolitre(s).

Definition of hl in:

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Word of the day anastrophe
Pronunciation: əˈnastrəfi
noun
the inversion of the usual order of words...

There are 2 definitions of hl in English:

HL2

Line breaks: HL

abbreviation

(In the UK) House of Lords.

Definition of hl in: