Skip to main content
An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NALT Concept Space
U.S. Department of Agriculture

NALT Full

Concept information

  1. Fields of Study
  2. materials science
  3. materials
  4. bitumen

Preferred term

bitumen

Type

  • Topic

Definition

  • Information Dark-colored (solid, semisolid, or viscous) cementitious substances, natural or manufactured, composed principally of high molecular weight hydrocarbons, of which asphalts, tars, pitches, and asphaltenes are typical.

    Source: NASA Thesaurus

    Type: Concept definition

Broader concept

Related concepts

Synonyms

  • asphalt

In other languages

URI

https://lod.nal.usda.gov/nalt/562

Download this concept:

RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 10/10/17