Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands
Similiar / Same: chromatography column
How to sign: an article giving opinions or perspectives
Similiar / Same: editorial, newspaper column
Categories: article
Within this category: agony column
