With proper maintenance, itâs possible to extend the life of an engine by a considerable amount, up to 500 hours for regular maintenance, and even up to 1,000 hours for those boaters with the utmost dedication. Maintenance and care will prolong the life of the engine, and overall, save a lot of money.
In medicine, exacerbation may refer to an increase in the severity of a disease or its signs and symptoms. For example, an exacerbation of asthma might occur as a serious effect of air pollution, leading to shortness of breath. Last Editorial Review: 5/13/2016.
Synonyms: annihilate, exterminate, extinguish, obliterate These verbs mean to destroy completely. Annihilate often implies that the destruction is so severe that nothing is left or salvagable: The cannon blasts annihilated the enemy's fortifications. Exterminate emphasizes the elimination of that which is considered undesirable, especially by killing: The land had been rendered treeless, as though a tree were a parasite that needed to be exterminated, its stump uprooted and purged (Madhusree Mukerjee).