Magma is a mixture of molten and semi-molten rock found below Earth's surface. Most magma consists of four types of materials: liquid rock, crystallized minerals, solid pieces of rock, and dissolved gases. When magma escapes through a volcano onto Earth's surface, scientists call it lava.
Download the Accretion of Duties Form (PDF, 8K) An accretion of duties is a promotion resulting from the upgrading of an employee's position because of additional duties and responsibilities. Jobs change and evolve for many reasons.
accretion; accumulation. Hypernyms (accretion is a kind of...): growth; increase; increment (a process of becoming larger or longer or more numerous or more important) Hyponyms (each of the following is a kind of accretion): backup (an accumulation caused by clogging or a stoppage) buildup (the result of the process of accumulation)