AAltfi,          ol had a bad

experience with fireworks once.

W if iS o 0 He seems to have had some sort of religious experience. ftfef&lA^ltft’AiSt'A^o 4 the ... experi­ence [sing.] events or knowledge shared by all the members of a particular group in society, that influences the way they think and behave ft : musical forms like jazz that emerged out of the Black American experience if #Bif          JtSHAf^fE

naai put sth down to experience (also chalk sth up to ex perience) used to say that sb should think of a failure as being sth that they can learn from A ■ ■ • A      : We lost a lot of money, but

we just put it down to experience. fcfHMATH

a verb [VN] 1 to have a particular situation affect you or happen to you          %&:,■ if The country experi­

enced a foreign currency shortage for several months. j/ 7/lAi!      0 Everyone experiences

these problems at some time in their lives. #AAAAA 2 to have and be aware of a particular emotion or physical feeling A ; f£ A; f£ ; to experience pain/pleasure/unhappiness ]si / A A 0 I experienced a moment of panic as I boarded the plane.

ex peri enced Dtw /ik'spiarianst; NAmE -‘spir-/ adj.

1 ~ (in sth) having knowledge or skill in a particular job or activity A 15^1$;        : an experienced teacher ^

'Jffi 0 He’s very experienced in looking after animals, ftfe#zft^f(iAi£tiL 2 having knowledge as a result of doing sth for a long time, or having had a lot of different experiences A 1$ ffj ' A J®.iR W;        :

She’s very young and not very experienced. Mfll

o an experienced traveller (= sb who has travelled a lot)  PIJ3 inexperienced

ex peri en tial /ik.spiari'enfl; NAmE -,spir-/ adj. (formal or technical A if) based on or involving experience

#                   A ; A § £5 (ft; ££ (ft: experiential knowledge dg££5&f#A(ft£fliR 0 experiential learning methods

ex peri ment On /ik'sperimant/ noun, verb

b noun [C, U] 1 a scientific test that is done in order to study what happens and to gain new knowledge ; ist^: to do/perform/conduct an experiment f$ 0 proved by experiment 0 laboratory

experiments 5^  5& 0 Many people do not like the

idea of experiments on animals.

fft ut o 2 ~ (in sth) a new activity, idea or method that you try out to see what happens or what effect it has # vfc ; ^      : the country’s brief experiment in

democracy          0 I’ve never cooked

this before so it’s an experiment.

m,

m verb [V] r (on sb/sth) | ~ (with sth) 1 to do a scientific experiment or experiments f$i^5&;      Some

people feel that experimenting on animals is wrong. AA 0 2 to try or test new ideas, methods, etc. to find out what effect they have

#                   ; ilt : He wanted to experiment more with

different textures in his paintings. ffct&IM ANfftfflftA i ■Blft^i®          0 I experimented until I got

the recipe just right. l&AB^llfe^wf, ]|M#c^IEA:ut(ftjlK ti.T&Alho ► ex-peri-ment-er noun

ex peri men tal /ik.spen'mentl/ adj. 1 based on new ideas, forms or methods that are used to find out what effect they have &&& (

(ft; i&l&'lifft: experimental teaching methods A'A 0 experimental theatre/art/music A5&$c®] /1/. o The equipment is still at the experimental stage.   2 connected with

scientific experiments ^         ^ (ft ; f4 5& (ft :

experimental conditions/data/evidence ^/■uE^ ► ex-peri-men-tal-ly /-tali/ adv. : This theory can be confirmed experimentally.        A

PJrE^o <> The new drug is being used experimentally on some patients.   b He moved

his shoulder experimentally to see if it still hurt,

ex-peri-men-ta-tion / ik, sperimen'tei J n / noun [U]

(formal) the activity or process of experimenting A 5^;

experimentation with new teaching methods ^i^lP1r(ftlil4^Ai& 0 Many people object to experimenta­tion on embryos.

ex-pert 0-w /'eksp3:t; NAmE -p3:rt/ noun, adj. m noun ~ (at/in/on sth) | ~ (at/in/on doing sth) a person with special knowledge, skill or training in sth A M; At A;     a computer/medical expert          / E4^A

| o an expert in child psychology b an

expert on modern literature          A=^ b He’s an

expert at getting his own way. fife ^EinfSf&SI § B (ft @ (ft A ffi fit A fr o 0 Don’t ask me—I’m no expert! A W f°]

ft      ft^0ftp.

m adj. ~ (at/in sth) | ~ (at/in doing sth) done with, having or involving great knowledge or skill |&^(ft; l^frfft;

A       M\( ^ iR') A |f 6U : to seek expert

advice/an expert opinion ffi A A ^ M JE o an expert driver <> We need some expert help.

ft!<> She’s expert at making cheap but stylish clothes. iftfe«A#^SffiSicW^^0 b They are all expert in this field, flfefl

— compare inexpert ► ex-pert-ly adv.: The roads were icy but she stopped the car expertly. Hji&£pT#K, ##f&£fcilfe$EA#7TAo o The music was expertly performed.

ex‘pert-ise /,eksp3:'ti:z; NAmE -p3:r‘t-/ noun [u] ~ (in sth/in doing sth) expert knowledge or skill in a particular subject, activity or job AH £PiR; AH&fife; A A : professional/scientific/technical, etc. expertise Ai;          A $0 iR <? They have considerable

expertise in dealing with oil spills. #ff]      5i 'M fAM A

t§] ff A A A o O We have the expertise to help you run your business.          i BifeAWAnAiRo

.expert 'system noun (computing if) a computer system that can provide information and expert advice on a particular subject. The program asks users a series of questions about their problem and gives them advice based on its store of knowledge. (         ) A

ex pi ate /‘ekspieit/ verb [VN] (formal) to accept punish­ment for sth that you have done wrong in order to show that you are sorry A (      ; !$

( A ) : He had a chance to confess and expiate his guilt. flfeA-Ult^i^PKl^il^o ►ex-pi-ation /.ekspi'eifn/ noun [U, sing.]

ex-pir-ation /.ekspa'reijn/ noun [u] (NAmE, formal)

= EXPIRY

expi'ration date noun (NAmE) 1 = expiry date: Check the expiration date on your passport. — ~Ff& 0 fflo 2 the date by which an item of food should be eaten ( # #J ) A M : The expir­ation date on this yogurt was November 20. iX #5 fW A

*mm n>§ 20 Ho

ex pire /ik'spaia(r)/ verb [V] *1 (of a document, an agree­ment, etc. Af4> \biX^) to be no longer valid because the period of time for which it could be used has ended ( ®Itj$7fn ) 4fat; MM ESE3 runout: When does your driving licence expire?

2 (of a period of time, especially one during which sb holds a position of authority HMW) to end /g: His term of office expires at the end of June. ftfelAfiUJA A ‘ M it o 3 (literary) to die igttt; A1tt; ^ A — see also unexpired ► ex-pired adj.: an expired passport fKl

ex-piry /ik'spaiari/ (especially BrE) (NAmE usually ex-pir- ation) noun [U] an ending of the period of time when an official document can be used, or when an agreement is valid (A#,       MM, MM: the

expiry of a fixed-term contract    o The

licence can be renewed on expiry. ex'piry date (BrE) (NAmE expi'ration date) noun the date after which an official document, agreement, etc. is no longer valid, or after which sth should not be used ( AfA    ) MMB, M±BM; ( M m