It's being reported that the Collins English Dictionary will be enhanced this year with a number of onomatopoeic terms created by users of social networks. 287 additions have been made, including words like hmm, heh, meh and mwah.

Hmm is...

Collins has announced that it's going to be adding "Twitter" to its dictionary, in the 30th anniversary edition due to be published later this year.

The social networking service's entry will read: "A website where people can post short messages...

Collins has revealed the words to watch in 2009 and, as well as new words springing up around the economic downturn, there are a few that relate to technology.

Last year's new words (credit crunch, sub-prime and downturn) defined the financial...