The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for derivative is "lacking originality.", the definition for deferment is "The act of delaying.", and the definition for regurgitate is "To pour out or throw back."

The definition for rehash is "To discuss again." Used in a sentence: "Sandra," said her mother, "I am tired of rehashing this same topic over and over." The definition for incumbent is "necessary as a duty or responsibility.", the definition for regale is "To amuse.", and the definition for benefactor is "One who offers financial help."

The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for comparable is "similar, equivalent.", the definition for awe is "Emotion combining dread and wonder.", and the definition for incisive is "Impressively direct and decisive."

The definition for proximity is "Closeness." Used in a sentence: The proximity of Tia's house to school meant that she could walk there in five minutes. The definition for exalt is "to elevate by praise.", the definition for insinuate is "To suggest indirectly.", and the definition for recrimination is "A retaliatory accusation."

The definition for awe is "Emotion combining dread and wonder." Used in a sentence: Charlie was in awe of his uncle, a professional football player and chess champion. The definition for preclude is "to rule out in advance.", the definition for penurious is "Extrememly stingy.", and the definition for conduit is "Means for transmitting or distributing."