say it: TAH-puh-kuhl
topical is an adjective meaning "pertaining to the surface of a body part". It carries 3 recorded senses.
pertaining to the surface of a body part
“a drug for topical (or local) application”
“a topical anesthesia”
medicine
of or relating to or arranged by topics
“a detailed record on both a chronological and a topical basis”
of interest at the present time
“a topical reference”
“a topical and timely study of civil liberty”
Definitions, synonyms and semantic relations for topical come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.