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something , half / haf/ • n. (pl. halves / havz/ ) either of two equal or corresponding parts into which something is or can be divided: the northern half of the… • symb. the chemical element lutetium. , Lu • symb. the chemical element lutetium. • symb. the chemical element strontium. , Sr • symb. the chemical element strontium.
sr • abbr. steradian(s).
sr Maths., symbol for steradian hemi- , hemi-. Greek word meaning ‘half’. It prefixes other words in architectural terminology. Examples include:hemi-cycle: semicircular room, part of a roo… Half-life , The half-life of a diminishing substance is the time it takes for the amount of substance present to go halfway from some initial value to zero. It i… Mg , MG • abbr. ∎ machine gun. ∎ hist. Morris Garages.
mg • symb. the chemical element magnesium. mg • abbr. milligram(s): 100 mg acetaminophen.
mg • symb…
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