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.
isometry (equality of elevation above sea level). altitude; height (elevation especially above sea level or above the earth's surface). grade; ground level (the height of the ground on which something stands). water level (the level of the surface of a body of water).. (ballet) the height of a dancer's leap or jump. 7. drawing of an exterior of a structure. 8. the act of increasing the wealth or prestige or power or scope of something. Familiarity information: ELEVATION used as a noun is common.