What does the word carbonaceous mean?

Usage examples for carbonaceous

  1. In cold weather, carbonaceous food, such as butter, fats, sugar, molasses, etc. – The American Woman's Home by Catherine E. Beecher and Harriet Beecher Stowe
  2. Analyses of waters containing large quantities of organic matter, as they enter such open soils as those referred to, compared with the drainage water after passing through the upper strata, show that the carbonaceous and nitrogenous materials are broken down to more or less completely oxidised simpler compounds, and that the following chief changes result. – Disease in Plants by H. Marshall Ward