ˈanˌthrōn, ̷ ̷ˈ ̷ ̷ noun
( -s )
Etymology: International Scientific Vocabulary anthr- + -one
: a pale yellow alkali-insoluble crystalline ketone C 14 H 10 O formed by partial reduction of anthraquinone and used in sulfuric-acid solution as a colorimetric reagent for carbohydrates