Australia's climate is governed largely by its size and by the hot, sinking air of the subtropical high pressure belt. This moves north and south with the seasons, so that the rainfall pattern over Australia is highly seasonal. Australia's rainfall is the lowest of the seven continents (besides Antarctica).
Acute Disseminated Encephalomyelitis (ADEM) is a brief but intense attack of inflammation (swelling) in the brain and spinal cord and occasionally the optic nerves that damages the brainâs myelin (the white coating of nerve fibers). Other terms used to refer to ADEM include post-infectious encephalomyelitis and immune-mediated encephalomyelitis.
â¢ AD VALOREM TAX (noun) The noun AD VALOREM TAX has 1 sense: 1. a tax levied on the difference between a commodity's price before taxes and its cost of production. Familiarity information: AD VALOREM TAX used as a noun is very rare. Dictionary entry details. â¢ AD VALOREM TAX (noun) Meaning: A tax levied on the difference between a commodity's price before taxes and its cost of production. Classified under: Nouns denoting possession and transfer of possession.