Save this answer. Show activity on this post. The abbreviation h. l. means hoc loco – “here, in this place, in this instance.” This is a common abbreviation which you can find in various books.
What does the HL stand for?
written abbreviation for hectolitre : The wine is in 20 hl barrels. Measurements of volume.
What does HL mean medical?
Hodgkin's lymphoma (Hodgkin's disease)