The Macquarie Dictionary is the most up-to-date Australian dictionary and thesaurus. Our comprehensive coverage means you’ll find the right word every time.

Australia
Joined December 2009
#WordoftheDay expository: serving to expound, set forth, or explain. #MacquarieDictionary
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#WordoftheDay breechblock: a movable piece of metal which closes the breech end of the barrel in certain firearms. #MacquarieDictionary
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#WordoftheDay somnambulism: the fact or habit of walking about, and often of performing various other acts, while asleep; sleepwalking. #MacquarieDictionary
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#WordoftheDay pharmacogenomics: the tailoring of a medicine regime to take into account the particular genetic make-up of the patient. #MacquarieDictionary
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#WordoftheDay decommission: to remove from service, as a naval vessel, army officer, etc. #MacquarieDictionary
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#WordoftheDay oblanceolate: (of a leaf) tapering towards the stalk. #MacquarieDictionary
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#WordoftheDay thunderbox: a toilet, especially a sanitary can. #MacquarieDictionary
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#WordoftheDay gonotocont: a cell that is capable of undergoing meiosis. #MacquarieDictionary
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#WordoftheDay chemosynthesis: production by plants of nutritive substances from carbon dioxide and water with energy derived from other chemical reactions. #MacquarieDictionary
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#WordoftheDay gastroenterostomy: the making of a new opening by surgery between the stomach and the small intestine. #MacquarieDictionary
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#WordoftheDay terminology: the system of terms belonging to a science, art, or subject; nomenclature. #MacquarieDictionary
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#WordoftheDay fractostratus: very low, ragged clouds of stratiform appearance which often appear beneath nimbostratus clouds during active precipitation; scud. #MacquarieDictionary
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#WordoftheDay thundershower: a shower accompanied by thunder and lightning, or a short heavy shower from a thundercloud. #MacquarieDictionary
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#WordoftheDay heteropterous: of or relating to the true bugs of the suborder Heteroptera which have forewings thickened at the base and membranous at the apex. #MacquarieDictionary
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#WordoftheDay venipuncture: the puncture of a vein for surgical or therapeutic purposes. #MacquarieDictionary
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#WordoftheDay tasseography: the art of reading tea-leaves. #MacquarieDictionary
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#WordoftheDay machismo: flamboyant virility; masculine display emphasising strength. #MacquarieDictionary
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#WordoftheDay superstate: a state or a governing power presiding over states subordinated to it. #MacquarieDictionary
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#WordoftheDay epexegesis: the addition of a word or words to explain a preceding word or sentence. #MacquarieDictionary
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