power-assisted steering      1550 |

0                  air/sea power (= military strength in the air/at sea) A /   0 purchasing power jAJ£A 9 [U] the

influence of a particular thing or group within society ('MlfWSfctfiliWW ) jfcflftA, ^A: the power of the media      0 parent power

                 ENERGY fba 10 [U] the strength or energy contained in sth A ; A It; Ji: The ship was helpless against the power of the storm.

o It was a performance of great power.

0 — see also firepower, staying power 11 [U] energy that can be collected and used to operate a machine, to make electricity, etc. fg ; ft M ;         :

nuclear/wind/solar power    / M / A P0 t£ o engine

power         — see also horsepower

                 ELECTRICITY 12 [U] the public supply of electricity Af&jS: They’ve switched off the power. (Ml AJ4 7 ffe H0 o a power failure ^

                  MATHEMATICS % 13 [C, usually sing.] the number of times that an amount is to be multiplied by itself % A; 4 to the power of3is43(= 4 X4X4 = 64). *

4|ft 3&||ji 430

                 OF LENS 14 [U] the amount by which a lens can make objects appear larger Ain®; Mi A $ : the power of a microscope/telescope M$Llk /

                  GOOD/EVIL SPIRIT f/ff| 15 [C] a good or evil spirit that controls the lives of others HEX ( §Sc ffe ) AM: the powers of darkness (= the forces of evil) fPf^A' nm do sb a 'power of good (old-fashioned, informal) to be very good for sb’s physical or mental health MM

more power to sb’s 'elbow (old-fashioned, BrE, informal) used to express support or encourage­ment for sb to do sth (         ) MlfE®, jJB

ift, fit■■■$<#} the (real) power behind the ‘throne the person who really controls an organization, a country, etc. in contrast to the person who is legally in charge A ± M; IS 9k # the , powers that ' be (often ironic) the people who control an organization, a country, etc.

$.A^0 — more at corridor, sweep v.

mverb

                 SUPPLY ENERGY       A 1 [VN] [usually passive] to supply

a machine or vehicle with the energy that makes it work M ®      $ ( #1 # ^ ^        ) : The aircraft is

powered by a jet engine.

                 MOVE QUICKLY '[AjiflAj 2 i+adv./prep.] to move or move

sth very quickly and with great power in a particular direction (   [V] He powered

through the water.      0 [VN] She

powered her way into the lead.

0 He powered his header past the goalie. il 7 tF lA M Q >^1:^1 .power sth— up to prepare a machine to start working by supplying it with electri­city, etc, &-.-&& ( m & ( M )

.power-assisted 'steering noun [u] {BrE) = power

STEERING

' power base noun the area or the people that provide the main support for a politician or a political party

() &i, ism

power-boat /'pauabaut; NAmE 'pauarboot/ noun a fast boat with a powerful engine that is used especially for racing     Afe; «

'power breakfast noun a meeting that business people have early in the morning while they eat break­fast (

'power broker noun a person who has a strong influ­ence on who has political power in an area

#MA; ftA^HA

'power cut (BrE) (NAmE 'power outage) noun an inter­ruption in the supply of electricity; a period of time when this happens H A ®t; #&.(    )

'power dressing noun [U] a style of dressing in which people in business wear formal and expensive clothes to emphasize how important they and their jobs are

powered /'pauad; NAmE 'pauard/ adj. (usually in compounds 11 # $1 M t^) operated by a form of energy such as electricity or by the type of energy mentioned A • • ■ K ® M; fkzj]M: a powered wheelchair

O a solar-powered calculator AP0ifrfctfe#fltl — see also high-powered powerful O-w /’pauafl; NAmE'pauarfl/ adj.

1                  (of people A ) being able to control and influence

people and events 7f IX. M; W f£ Ufa A M EEd influ­ential : an immensely powerful organization ^ g A ^ BfoJ A   o a rich and powerful man

MA'O Only the intervention of powerful friends obtained her release, ilf

2                  having great power or force; very effective W A

M; AMAM; powerful weapons $cA3SA

M ii£ fi o a powerful engine A $ §1 W 0 a powerful voice   3 having a strong effect on your mind

or body ( M M ) W Wf $$ # M , ^KAAW: a powerful image/drug/speech M- W {ft        {ft

W       4 (of a person or an animal AI5c9!W

physically strong # )]± M; M EQGD muscular : a powerful body HIf Misfit o a powerful athlete fFHWls M ► power-ful-ly /-fall/ adv.: a powerfully emotive song       0 He is powerfully built (= he has a

large strong body). 11 M W U M >l± » o She argued powerfully for reform.

power-house /'pauahaus; NAmE 'pauarh-/ noun 1 a group or an organization that has a lot of power ® A H ® ( s&lgliP, ) : China has been described as an ‘emerging economic powerhouse’.  A “lii® AM

o 2 a person who is very strong and full of energy JfA^#MA; zf^AArMA power-less /'paualas; NAmE 'pauarlas/ adj. 1 without power to control or to influence sb/sth AlPlnjAM; A JX M H771 helpless : powerless minorities M A ^Sc o When the enemy attacked, we were completely powerless against them. StAjftlfcM fgAo 2 ~ to do sth completely unable to do sth Aft§ A A: I saw what was happening, but I was powerless to help. iPAA+IS&o ► powerless­

ness noun [U]: a feeling/sense of powerlessness A M

)mn/Mn

power lift ing /'paoahftir); NAmE 'pauar-/ noun [U] the sport of lifting weights in three different ways, in a set order (          M ) AM^fi ► powerlift-er

noun

'power line noun a thick wire that carries electricity iEM/k-. overhead power lines 'power nap noun a short sleep that sb has during the day in order to get back their energy Jl A M 7 Si ► 'power-nap verb [V] (-pp-)

.power of attorney noun [U, C] {pi. powers of attorney)

(law W) the right to act as the representative of sb in business or financial matters; a document that gives sb this right (

A; ^A

power outage noun (NAmE) = power cut 'power plant noun = power station 'power play noun [U] (in ice hockey }^c±® Jg^) a situ­ation in which one team has more players than another because a player is off the ice as a punishment g % JJ A* ( PAM^T^it^-IAMPAMA^tk^-PAA^ ) 'power point noun {BrE) = socket(I)

'power politics noun [u+sing./pl. v.] a situation in which a country tries to achieve its aims by using or threat­ening to use its military or economic power against another country

'power-sharing noun [U] a policy or system in which different groups or political parties share responsibility for making decisions, taking political action, etc. #(.A

t^m&a )

'power shower noun (BrE) a shower that has an elec­tric pump to make the water come out fast IL ^ Pfc

'power station (erf) (also 'power plant NAmE, BrE) noun a building or group of buildings where electricity is produced A ^ A; A 4 tk: a coal-fired power station 0 a nuclear power station

'power steering {BrE also .power-assisted steering) noun [U] (in a vehicle ^^5) a system that uses power