column inch
US /ˈkɑː.ləm ɪntʃ/
UK /ˈkɑː.ləm ɪntʃ/

1.
polegada de coluna
a unit of area for measuring newspaper or magazine space, equal to one inch of a column
:
•
The advertisement took up five column inches in the local newspaper.
O anúncio ocupou cinco polegadas de coluna no jornal local.
•
Newspapers often charge for advertising space by the column inch.
Os jornais geralmente cobram pelo espaço publicitário por polegada de coluna.