.raster 'image processor noun {computing if) a device or piece of software that changes text and images to a form in which they can be printed

B£)

rasterize (BrE also -ise) /'raestaraiz/ (also rip) verb [VN] (icomputing if) to change text or images into a form in which they can be printed # (

rat /raet/ noun, verb

m noun 1 a small animal with a long tail, that looks like a large mouse, usually considered a pest (= an animal which is disliked because it destroys food or spreads disease) %M,; Iferf: rat poison          compare rug

rat 2 (informal, disapproving) an unpleasant person, especially one who is not loyal or who tricks sb it MW A; UIA ITiTOI see sink v., smell v.

verb (-tt-) IJikPi 1 rat on sb (informal) to tell sb in authority about sth wrong that sb else has done ft M o’ ^: Where I come from, you don’t rat on your friends.    itlPAftlelJlAo rat on sth {BrE,

informal) to not do sth that you have agreed or promised to do # ^^ ^ it a H3Z1 RENEGE: The government is accused of ratting on its promises to the unemployed. rata opro rata

'rat-arsed adj. {BrE, slang) extremely drunk , rat-a-tat-tat noun [sing.] = rat-tat rat-bag /'raetbaeg/ noun {BrE, slang) an unpleasant or disgusting person A; 4"A,KM^A

ratchet $$$£

ratchet /'raetjit/ noun, verb

u noun a wheel or bar with teeth along the edge and a metal piece that fits between the teeth, allowing move­ment in one direction only (

verb uii:M .ratchet (sth)~'up to increase, or make sth increase, repeatedly and by small amounts { i& )

A ijig Iff A: : Overuse of credit cards has ratcheted up consumer debt to unacceptable levels, itiffiff

fate /reit/ noun, verb

m noun 1 [C] a measurement of the speed at which sth happens M ®; iSH;: Most people walk at an average rate of 5 kilometres an hour. A# ft (ft-¥-&!&&

A # A H 5 M c o The number of reported crimes is increasing at an alarming rate.

A (ft IS ft: it i£ o 0 Figures published today show another fall in the rate of inflation.

X — 1A T o o At the rate you work, you’ll never finish! Ui#Iff 2 [C] a meas­

urement of the number of times sth happens or exists during a particular period tt $; A: Local businesses are closing at a/the rate of three a year. ft, AikiklEfE if A H jl A frJ o 0 a high/low/rising rate of unemployment jSj   / A ®t ±Ib(ft Aik -$ 0 the annual

crime/divorce rate  iti $ o His pulse rate

dropped suddenly.    0 a high

success/failure rate il jf?i       / A $ — see also

birth rate, death rate 3 [C] a fixed amount of money that is charged or paid for sth jfr H jf] : adver- tising/insurance/postal, etc. rates r fffA        fiP

tfoa low/high hourly rate of pay      /

0 We offer special reduced rates for students. fl1M 4* £ ^ # lk     o O a fixed-rate mortgage {= one

in which the amount of money paid back each month is


fixed for a particular period)      0 the

basic rate of tax (= the lowest amount that is paid by everyone) 0 exchange/interest rates ft A; All

A 0 rates of exchange/interest A     f ij $ — see also

BASE RATE, FLAT RATE, RACK RATE 4 rates [pi ] (in Britain) a tax paid by businesses to a local authority for land and buildings that they use and in the past also paid by anyone who owned a house ( % g ft A & Iff ) it ft A       rife - see also first-rate,

second-rate, third-rate IT»TO1 at 'any rate {informal) 1 used to say that a particular fact is true despite what has happened in the past or what may happen in the

future () itmm,      weu,

that’s one good piece of news at any rate.   Aift,

0 I may be away on business next week but at any rate I’ll be back by Friday. T JH Rf te H A

M, Unmm, HcHf&MglMAo 2 used to show

SYNONYMS

rate

charge ♦fee ♦ rent ♦ dues ♦ toll ♦ rental ♦ tariff

These are all words for an amount of money that is charged or paid for sth.

m a

rate a fixed amount of money that is asked or paid for sth   iffl: a low hourly rate

of pay        o interest rates T'lA

charge an amount of money that is asked for goods or services an admission

charge A^H

fee {rather formal) an amount of money that you have to pay for professional advice or services, to go to a school or college, or to join an organization

legal fees   o an

annual membership fee

rent an amount of money that you regularly have to pay for use of a building or room In American English, rent can be used to mean rental.

rent  rental (     ) : The

weekly rent on the car was over $200.

®.&Jk200gfio

dues an amount of money that you have to pay so that you can be a member of an organization SUSt

toll an amount of money that you have to pay to use a particular road or bridge

rental an amount of money that you have to pay to use sth for a particular period of time

RENT OR RENTAL? rent rental ?

In British English rent is only money paid to use a building or room: for other items use rental. In American English rent can be used for both, but rental is still more common for other items. IeJIHIS iff*, rent Rft^rental0 rent

rental

tariff {rather formal) a list of fixed prices that are charged by a hotel or restaurant for rooms or meals, or by a company for a particular service          H

PATTERNS AND COLLOCATIONS

                  to pay (a) rate/charge/fee/rent/dues/toll/rental for/ on sth

                  to do sth at a rate/charge/fee/rent/rental of...

                  to do sth for a charge/fee

                  to pay (a) rate/charge/fee/rent/dues/toll/rental

to charge (a) rate/fee/rent/dues/toll/rental