When there is one sided facial swelling, it simply means that the tissue on the enlarged side is affected. Apart from the tissue, each side of its face has its own blood, nerve and lymphatic supply. Therefore a condition that affects these structures on one side will lead to swelling only on that side.
Full Definition of SEA LEVEL. : the level of the surface of the sea especially at its mean position midway between mean high and low water. See sea level defined for English-language learners.See sea level defined for kids. ADVERTISEMENT. the level of the surface of the sea especially at its mean position midway between mean high and low water.
At an average elevation of 12 feet (3.7 meters), the city is increasingly vulnerable to sea-level rise linked to climate change. Sea level has been rising globally, and the rate of sea-level rise has accelerated over the past two decades. During the twentieth century, global mean sea level rose at an average of 0.07 inches (1.8 millimeters) per year.