Definition of carborundum in English:
carborundum
noun ˌkɑːbəˈrʌndəmˌkɑrbəˈrəndəm
mass nountrademark A very hard black solid consisting of silicon carbide, used as an abrasive.
Example sentencesExamples
- Control plants were also dusted with carborundum and mock inoculated with a sample volume of potassium phosphate buffer.
- Before inoculating, 600-mesh carborundum was dusted on the leaves.
- The upper epidermis of the leaf was abraded with carborundum.
- A compound known as silicon carbide, also known as carborundum, is one of the hardest substances known.
- Surfaces can be smoothed down by rasps, files, and rifflers or by carborundum and emery, and the addition of water avoids a build-up of dust.
Origin
Late 19th century (originally US, as a trademark): blend of carbon and corundum.
Definition of carborundum in US English:
carborundum
nounˌkɑrbəˈrəndəmˌkärbəˈrəndəm
trademark A very hard black solid consisting of silicon carbide, used as an abrasive.
Example sentencesExamples
- Surfaces can be smoothed down by rasps, files, and rifflers or by carborundum and emery, and the addition of water avoids a build-up of dust.
- Before inoculating, 600-mesh carborundum was dusted on the leaves.
- The upper epidermis of the leaf was abraded with carborundum.
- A compound known as silicon carbide, also known as carborundum, is one of the hardest substances known.
- Control plants were also dusted with carborundum and mock inoculated with a sample volume of potassium phosphate buffer.
Origin
Late 19th century (originally US, as a trademark): blend of carbon and corundum.