1 Cinquains are five lines long. 2  They have 2 syllables in the first line, 4 in the second, 6 in the third, 8 in the fourth line, and just 2 in the last line. 3  Cinquains do not need to rhyme, but you can include rhymes if you want to.
â¢ COMBUSTIBLE MATERIAL (noun). The noun COMBUSTIBLE MATERIAL has 1 sense: 1. a substance that can be burned to provide heat or power. Familiarity information: COMBUSTIBLE MATERIAL used as a noun is very rare. COMBUSTIBLE MATERIAL (noun). The noun COMBUSTIBLE MATERIAL has 1 sense: 1. a substance that can be burned to provide heat or power. Familiarity information: COMBUSTIBLE MATERIAL used as a noun is very rare.
Alkali metals: highly combustible metals that react with water to generate hydrogen, and are. easily ignited; examples include sodium, potassium, lithium, rubidium and cesium. Combustible metals: any metal, composed of distinct particles or pieces, regardless of size, shape or chemical composition, that will burn. Metal alloys: multiphase solid that is formed by mixing in the molten state, in which the.