coalescence

"The raindrops splattered on the window as I waited for the school bus. "

"You can create the color orange by mixing yellow and red."

"To separate out the chaff, early cultures tossed baskets of grain into the air and let the wind blow away the lighter chaff."

"After the rain, droplets of water clung to the leaves of the tree. "

"a segment of rope"

"After the rain, there were many puddles on the sidewalk. "

"Russia is a large country.   The fruit-fly has large eyes for its body size.   He has a large collection of stamps."

"The droplets coalesced into a puddle."

"My daughter walked along the sidewalk to school this morning. "

"The two companies merged."

"The snail crawled slowly across the sidewalk. "

"The children splashed in the puddle on the sidewalk after the rain. "