bituminous

adjective

bi·tu·mi·nous | \ bə-ˈtyü-mə-nəs

, bī-, -ˈtü-\

Definition of bituminous

1 : containing or impregnated with bitumen

2 : of or relating to bituminous coal

Examples of bituminous in a Sentence

Recent Examples on the Web

Coal is classified into four categories—anthracite, bituminous, sub-bituminous, and lignite–depending on its carbon content. — Christina Nunez, National Geographic, "Fossil fuels, explained," 2 Apr. 2019 This village named Bluefield was, in reality, surrounded by black bituminous coalfields. — Eric Berger, Ars Technica, "The Greatest Leap, part 6: After Apollo, NASA still searching for an encore," 13 Feb. 2018 This particular road is an old concrete road with bituminous over it. — Kimberly Fornek, chicagotribune.com, "Sinkhole forms in Hinsdale over sewer break," 4 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bituminous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.