• noun:   the act of fusing (or melting) together
• noun:   correction of an unstable part of the spine by joining two or more vertebrae; usually done surgically but sometimes done by traction or immobilization
• noun:   the combining of images from the two eyes to form a single visual percept
• noun:   an occurrence that involves the production of a union
• noun:   a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
• noun:   the merging of adjacent sounds or syllables or words
• noun:   the state of being combined into one body

Related words...