Literally, disproportionation is a chemical reaction in which a single metal ion species undergoes an internal redox reaction and forms two different products in stoichiometric quantities. It is to be distinguished from such processes as partial...

n. A type of phonological change in which a phoneme disappears, some instances of it merging with one other phoneme but other instances with a different phoneme, sometimes in an unpredictable manner. For example, Old Turkish /e/ merged in some cases...

Disproportionation or dismutation is used to describe two particular types of chemical...

Sir: According to its website, the British- Israel Communications and Research Centre, of which Lorna Fitzsimons is CEO ('Israel is getting ready to invade Gaza', 23 February), is an organisation 'devoted to creating a more supportive environment for Israel in the UK'. These...

Just my luck. I go away on vacation and it happens to be the week when George W. Bush's strategic view of the current world situation is revealed: Russia big. China big, too. World leaders boring. Lady world leaders need neck rub. Terrorism bad....

Congressional Democrats have chosen an unlikely source to pay for the bulk of their proposed $35 billion increase in children's health coverage: people with relatively little money and education.The program expansion passed by the House and Senate last week would be financed with a 156...