err /3:(r); NAmE er/ verb [V] (old-fashioned, format) to make a mistake 3BHBJI;  it MU: To err is human ...

2BltAW%£&■■■ IEITCI err on the side of sth to show too much of a good quality ; ft;£. : I thought it was better to err on the side of caution (= to be too careful rather than take a risk).

n mto

errand /'erand/ noun a job that you do for sb that involves going somewhere to take a message, to buy sth, deliver goods, etc. H ft ; H ^ : He often runs errands for his grandmother.

0 Her boss sent her on an errand into town.

ATo — see also fool’s errand errant /'erant/ adj. [only before noun] {formal or humorous) 1 doing sth that is wrong; not behaving in an acceptable way 3BIbW; fr A X ^ W; ftl ♦§ W 2 (of a husband or wife ft ft l£ # T) not sexually faithful 7f

errat ic /I'raetik/ adj., noun

m adj. (often disapproving) not happening at regular times; not following any plan or regular pattern; that you cannot rely on TMJW;

W H771 unpredictable: The electricity supply here is quite erratic. & M W % ft ft JSi        ^ H e 0 She had

learnt to live with his sudden changes of mood and erratic behaviour.       *#fR

Bi IS fi W tr ft o 0 Mary is a gifted but erratic player (= she does not always play well). iss&M, {BA^T^aL ► erratically /-kli/ adv. ■. He was obviously upset and was driving erratically, ft JuL M ‘L'MMfL, o

a noun (also erratic 'block, er.ratic boulder) {geology ife) a large rock that is different from the rock around and was left behind when a large mass of ice melted ;

WM

erratum /e'raitam/ noun [usually pi.] {pi. er-rata /-ta/) {technical ftigj a mistake in a book (shown in a list at the back or front) (     W ) ftTlai^ ( fiffc errata ft

erro neous /I'raunias; NAmE I'rou-/ adj. {formal) not correct; based on wrong information It W: erro­neous conclusions/assumptions Hil    / fUA ► er-

roneous-ly adv. error   /*era(r)/ noun [C, U]

~ in sth/in doing sth a mistake, especially one that causes problems or affects the result of sth If iA; H It; iiiA: No payments were made last week because of a computer error. &Ti+^#ld]li,

0 There are too many errors in your work. ft Wlftft# A^0 0 I think you have made an error in calculating the total.    o A simple

error of judgement meant that there was not enough food to go around.

A-~{fr0 0 a grave error (= a very serious mistake) (“Slai^ 0 a glaring error (= a mistake that is very obvious) & 1$ It ijl 0 The delay was due to human error (= a mistake made by a person rather than by a machine). ^ Ji A ft la la JA W 0      0 The computer

system was switched off in error (= by mistake). i+3$|ft %.        7ft ft 31 o 0 There is no room for error in this

job.  ftXAftfl^lao —see also margin of

error o note at mistake fTiTOl see, realize, etc. the error of your 'ways {formal or humorous) to realize or admit that you have done sth wrong and decide to change your behaviour  B

ftiftBgfciE — more at trial n.

'error correction noun [u] {computing if) a process by which a computer automatically corrects mistakes in data *mt ( if£mS^IEfy£lti£ )

'error message noun {computing if) a message that appears on a computer screen which tells you that you have done sth wrong or that the program cannot do what you want it to do tblafi Ji ( fEi+#tdJiM£± £B ffl, ^K&li )

ersatz /'eazaets; NAmE 'ersaits/ adj. artificial and not as good as the real thing or product Aia W, ft W, if J&W (    ) : ersatz coffee Wl fffttPn

Erse /3:s; NAmE 3:rs/ noun [U] (old-fashioned) the Scottish or Irish Gaelic language

— compare Gaelic, Irish /i.(1) erst-while /'3:stwail; NAmE '3:rst-/ adj. [only before noun] (formal) former; that until recently was the type of person or thing described but is not any more Bf Fjij&t);

ftituW; ilftW; fts'W: an erstwhile opponent

T- 0 His erstwhile friends turned against him. ft % gij

MA^MAiffefttfo

erudite /'erudait/ adj. {formal) having or showing great knowledge that is gained from academic study t$ ^ W;       EEC1 LEARNED

eru di tion /.eru'dijn/ noun [U] (formal) great academic knowledge ^|S]

erupt /i'rApt/ verb 1 when a volcano erupts or burning rocks, smoke, etc. erupt or are erupted, the burning rocks, etc. are thrown out from the volcano ( Alii ) j*A; (   f ft: [V] The volcano

could erupt at any time. AlbBtN’BlfBlf Ao 0 Ash began to erupt from the crater. ftii|j£Jf#qM.ftlbn|$ ttj 0 o [VN] An immense volume of rocks and molten lava was erupted.        o note at

explode 2 [V] ~ (into sth) to start happening, suddenly and violently ^ M A X ; M A HT71 break out : Violence erupted outside the embassy gates. ft ft It H ft 21$ ft £7 HSU o The unrest erupted into revolution.

3 ~ (in/into sth) to suddenly express your feelings very strongly, especially by shouting loudly    ) : [V] My father just erupted

into fury.     „ 0 When Davis scored for the

third time the crowd erupted.    MfkZt

rf ^lo [also V speech] 4 [V] (of spots, etc. JE^#) to suddenly appear on your skin     ) it}3E5B:

A rash had erupted all over his chest.

If o ► erup-tion /i'rApJn/ noun [C, U] : a major volcanic eruption A ill A M A 0 an eruption of violent protest Mi]ifCiSt&AJil A 0 skin rashes and eruptions

t

erup tive /i'rAptiv/ adj. relating to or produced by the ERUPTION of a VOLCANO A U-l 'H A ; A ill ^ A W eruv /‘eruv/ noun {pi. eruvim /‘eruvim/) an area in a city inside which Jews may do certain things on the Sabbath that they are not normally allowed to do ( M

-ery, -ry suffix (in nouns ff) fiB ^ IS]) 1 the group or class of ■■•# (        greenery     0 gadgetry

2 the state or character of ••     ) :

bravery i^o rivalry 3 the art or practice of

) : cookery O archery fffft 4 a place where sth is made, grows, lives, etc.   ft )

A: bakery    o orangery

eryth-ro*cyte /i'ri0rasait/ noun (biology ft.) = red

BLOOD CELL

es cal ate /'eskaleit/ verb ~ (sth) (into sth) to become or make sth greater, worse, more serious, etc. ( ft )

If A, T®t 3£ffc, jjp®]: [V] The fighting escalated into a full-scale war. %% M#if A      0 the

escalating costs of health care  o [VN]

We do not want to escalate the war. ill 7 it $ ft ft ^ 0  ► es cal ation /.eska'leftn/ noun [C, U] : an

escalation in food prices 0 further

escalation of the conflict

es cal ator /'eskaleita(r)/ noun moving stairs that carry people between different floors of a large building g

es cal ope /'eskalnp; e'skaelap; NAmE I’skailap; I'skae-/ noun a thin slice of meat with no bones in it, often covered with breadcrumbs and fried $| ft ( # M Bi ) : escalopes of veal /Jvft ^] ft escapade /.eska'peid; 'eskapeid/ noun an exciting adventure (often one that people think is dangerous or stupid) (  ) f l&Trft,   Isabel’s

latest romantic escapade ft W ftfr W W N ®'J

es cape CHr /I'skeip/ verb, noun

a verb 1 [V] ~ (from sb/sth) to get away from a place where you have been kept as a prisoner or not allowed