rack-and-pinion

1630

on the rack feeling extreme pressure, anxiety or pain

fgliJEA;

u verb (also less frequent wrack) [VN] [often passive] to make sb suffer great physical or mental pain M Ifr A *1;

#r $1: to be racked with/by guilt ^ |*|      0 Her

face was racked with pain. ftfe fS ^ „ 0 Violent

sobs racked her whole body.      =

0 {BrE) a racking cough M (ft P% 0$ ITSTMl rack your 'brain(s) to think very hard or for a long time about sth % J& ^ S: She racked her brains, trying to remember exactly what she had said.        , SH

.rack up sth (espe­cially NAmE) to collect sth, such as profits or losses in a business, or points in a competition fl fR; % H ( ^ fy] ) ; Wt it ( f# ft ) : The company racked up $200 million in losses in two years. 2 fZ,

7t;0 O In ten years of boxing he racked up a record 176 wins. i76&0

racks ygff

rack-and- pinion adj. [only before noun] using a piece of machinery in which a moving cog (= wheel with teeth around the edge) fits into a bar with teeth

racket /'raekit/ noun 1 [sing.] (informal) a loud un­pleasant noise igi#; ES33 din: Stop making that terrible racket! #ij ®t 2 [C] (informal) a dishonest or illegal way of getting money   a protection/

extortion/drugs, etc. racket         IKifc,

^ 3 (also racquet) [C] a piece of sports equipment used for hitting the ball, etc. in the games of tennis, squash or badminton. It has an oval frame, with strings stretched across and down it. (

(ft )  —compare bat n.{l) 4 rackets, racquets [U]

a game for two or four people, similar to squash, played with rackets and a small hard ball in a court with four walls

'racket abuse (also 'racquet abuse) noun [u] the offence in tennis of throwing a racket or not using it correctly, considered to be unacceptable behaviour

( IWGMfx^ )

rack et eer /,raeka'tia(r); NAmE -’tir/ noun {disapproving) a person who makes money through dishonest or il­legal activities ft*Si#;     ► racketeer­

ing noun [U]

1 rack rate noun {especially NAmE) the standard price of a hotel room (

ra con teur /,raeknn‘t3:(r); NAmE -ka:n-/ noun a person who is good at telling stories in an interesting and amusing way

racoon = raccoon rac-quet = racket(3) racquet abuse = racket abuse rac-quet-ball /'raekitboil/ noun [U] a game played espe­cially in the US by two or four players on a court with four walls, using rackets and a small hollow rubber

racy /'reisi/ adj. (raci-er, raci-est) having a style that is exciting and amusing, sometimes in a way that is connected with sex (  a racy

novel ^^(ft/Jn# rad /raed/ adj., noun

* adj. {old-fashioned, slang, especially NAmE) very good #

mm.i

m noun {physics #?) a unit for measuring the effect of radi­ation ft* (   )

radar /'reida:(r)/ noun [U] a system that uses radio waves to find the position and movement of objects, for example planes and ships, when they cannot be seen Ifli: They located the ship by radar. !M ] il H If

0 a radar screen        —com­

pare sonar 1771771 on/off the radar screen (NAmE) used to say that people’s attention is on or not on sth / A A ^ ii: The issue of terrorism is back on the radar screen. ® jft 4 J*. fa ® fi fr .Ah &« — more at bubble v.

'radar trap noun {BrE) = speed trap rad-dled /'raedld/ adj. {BrE) (of a person, their face, etc. A,  looking very tired      BHZ3

WORN

ra-dial /'reidial/ adj., noun

m adj. having a pattern of lines, etc. that go out from a central point towards the edge of a circle $dt$(ft; $g IhfHA : the radial pattern of public transport facilities ► ra-di-al-ly /-tali/ adv.

unoun {BrE also .radial 'tyre) {NAmE also .radial ‘tire) a car tyre with strong parts inside that point away from the outside part and make the tyre stronger and safer

ra dian /'reidian/ noun {geometry /Ljof) a unit used to measure an angle, equal to the angle at the centre of a circle whose arc is the same length as the circle’s

RADIUS

ra di ance /'reidians/ noun [U] 1 a special bright quality that shows in sb’s face, for example because they are very happy or healthy W ; fT.Aiilf 2 warm light shining from sth ( fc A ft A (ft ) ftW ra di ant /'reidiant/ adj. 1 ~ (with sth) showing great happiness, love or health     H # # (ft; W A (ft; ffi

£1id (ft: a radiant smile |£ H ## (ft Wl% 0 The bride looked radiant.        o She was radiant

with health.       2 giving a warm

bright light     The sun was radiant

in a clear blue sky.    3 [only before

noun] {technical Ain) sent out in rays from a central point It ; IfcWsW)-. the radiant heat/energy of the sun APH► ra-di-ant-ly adv.: radiantly happy UHPfPf 0 He smiled radiantly. \1kU%M./ra radiate /‘reidieit/ verb 1 if a person radiates a particular quality or emotion, or if it radiates from them, people can see it very clearly ( {il pp Illf lii ) ii l±S , iijLiP!: [VN] He radiated self-confidence and opti­mism. fife ik # i fg        [also V] 2 if sth radiates heat,

light or energy or heat, etc. radiates from it, the heat is sent out in all directions       ft, ifcitllSti, M

I*, tt BEEl give (sth) off : [V] Heat radiates from the stove,   A iW fo] A 0 [also VN] 3 [V + adv./prep.]

(of lines, etc. M ^ ^) to spread out in all directions from a central point £f >6f±J; |p] jS]®#M: Five roads radiate from the square.

# 0 o The pain started in my stomach and radiated all over my body.

ra di ation /.reidi'eijn/ noun 1 [u, C] powerful and very dangerous rays that are sent out from radioactive substances $g ft;   : high levels/doses of radi­ation that damage cells 0 the link

between exposure to radiation and childhood cancer