Русско-английский научно-технический словарь
сырьё
см. тж. исходный материал
• Titanium is an (ideal) source (or raw, or initial, or starting) material for many processes.
• This light gasoline would be a (good) starting material for ethylene or acetylene production.
• We obtained pure nickel from stock contaminated with cobalt.
• Gas oil is commonly used as catalytic-cracking feed stock.