MUSCLES OF RESPIRATION. When the diaphragm contracts in inspiration, initially the lower ribs are fixed and the dome of the diaphragm descends, thus increasing the vertical diameter of thorax.
arrearage. 1  the state or condition of being in arrears. 2  Often, arrearages. arrears; amount or amounts overdue. 3  Archaic. a thing or part kept in reserve.
By extension, demurrage refers to the charges that the charterer pays to the shipowner for its extra use of the vessel. Officially, demurrage is a form of liquidated damages for breaching the laytime as it is stated in the governing contract (the charter party).The demurrage sometimes causes a loss to the seller as it increases cost of the total freight. Today, however, demurrage has a slightly differen meaning.he reverse of demurrage is despatch. If the charterer requires the use of the vessel for less time than the laytime allowed, the charter party may require the shipowner to pay despatch for the time saved. The term demurrage has been incorrectly extended to use in the hire or rental of assets other than ships.