He did not like to combine frivolity with the serious business of hunting.
It is essential for him to combine his movements with those of the commander-in-chief.
Plant life, utilizing solar light to combine the inorganic elements of water, soil and air into living substance, is the basis of all animal life.
When you combine your property with his, you'll have over two hundred acres.
Boron and iodine do not combine directly, but gaseous hydriodic acid reacts with amorphous boron to form the iodide, BI 31 which can also be obtained by passing boron chloride and hydriodic acid through a red-hot porcelain tube.