concentrating

"The coffee concentrate was strong, so a little went a long way. "

"The evaporation of water from the puddle outside left a sticky residue on the sidewalk. "

"An abridged dictionary can be further condensed to pocket size."

"The heavy rain diminished the size of the garden flowers. "

"to intensify a photographic negative"

"It requires great strength to lift heavy objects."

"Asphalt, composed of oil and sand, is a widely used material for roads."

"He consolidated his luggage into a single large bag."

"Please direct your attention to the following words."

"The approach to the school was blocked by a fallen tree. "

"The increase in homework assignments this week was significant. "

"The population of New Jersey will not stand for this!"