0 to exchange one thing for another thing, especially of a similar type: --
If he wants to carry on living here, he's going to have to change his ways and learn to be a bit less messy.
Her attitude has definitely changed for the better since she started this new job.
When I first met him I didn't like him but I've changed my mind.
If you change your mind about coming tonight, just give me a call.
I had to change those trousers I bought for (= take them back to the shop in order to get) a bigger pair.
I'm going to change my hairstyle.
People have changed their diets a lot over the past few years.
Nothing changes, does it - I've been away two years and the office still looks exactly the same.
That was 20 years ago and things have changed since then.
Let's change the subject (= talk about something different).
She's just changed jobs.
1 to get off a train, bus, etc. and catch another in order to continue a journey: --
2 to get or give money in exchange for money, either because you want it in smaller units, or because you want the same value in foreign money: --
3 to remove one set of clothes and put a different set on yourself or a young child, especially a baby, or to remove dirty sheets from a bed and put clean ones on it: --
4 When the wind or the tide (= the rise and fall of the sea) changes, it starts to move in a different direction: --
5 to put a vehicle into a different gear, usually in order to change the speed at which it is moving: --
Initial analysis of the data from the interviews and tapes of the novices also indicated qualitative changes in the nature of expertise as it developed.
The upshot of this is that adaptation to nonstationarity does not require qualitative changes in a learning algorithm.
When children attend to the input and repeatedly attempt to parse it, their performance undergoes a qualitative change.
In contrast, the nonspatial characteristics of the target (such as its weight or function) are almost completely unlikely to change after the movement is planned.
This is evident in changes of the nomenclature of family planning board to family welfare organization.
The screening system permitted a population approach for quantification of changes in seed population thermal behaviour in relation to dormancy loss.
Disaggregation of household results by sources of income and expenditure patterns permits a fairly detailed analysis of likely changes in poverty.
But she also knows that when she is old her mind will have changed.