impurity 1028 |
im
purity /im'pjuarati;
NAmE -'pjur-/ noun (pi. -ies) 1 [C] a substance that
is present in small amounts in another substance, making it dirty or of poor
quality Q : A filter will remove most impurities found in water.
2 [U] the state of being
dirty or not pure £333 purity
im
pute /im'pjuit/ im pute sth to sb/sth (for
mal) to say, often unfairly, that sb is
responsible for sth or has a particular quality ( # FF# )
IQ
# 7 H771 attribute ► imputation /.impju'teijn/ noun [U, C]
in (Hr /m/ prep., adv., adj.,
noun
m prep, lil-mjl For the special uses of in
in phrasal verbs, look at the entries for the verbs. For example deal in sth is
in the phrasal verb section at deal. * in *$§-i§3fj + deal
in sth *i^&
deal
&!jfeinzAi5] 1 at a point
within an area or a
space
* ( ® iel*l ) X&trM: a country in
street. ®Tfn*ilr Ain:,, 0 It’s in that drawer.
*gfl TttiSito o I read about it in the paper.
2 within the shape of sth; surrounded by
sth* ( ) *; *-l*i; *•••*: She
was lying in bed. M$$* A±0 0
sitting in an armchair 0 Leave the key in the lock.
fE#!!&{§*fit ?LJIo 0 Soak it in cold water.
3E;i£;*ffiMi&*^7jt|Io 3 into sth ISA: He dipped his brush in the paint, %Jf*W^S!iTi£o
0 She got in her car and drove off.
, jf t! 7 o 4 forming the whole or
part of sth/sb; contained within sth/sb (
i&IrP
% ) ; &•£*••-£03: There are 31 days
in May. fffi {ft * 31 A„ o all
the paintings in the collection
0 I recognize his father in him (= his character is similar
to his father’s). f$* life #± ir fij 7 fife tfjHffio 5 during a period of time
* ( ) 0:
in
2005 * 2005 7 o in the 18th
century * 18 0 in
spring/summer/autumn/winter * # / Jt / fA / A 0 in
the fall * %k A o in March * H ft 0 in the morning/
afternoon/evening *±*/“FT/0&±
o I’m getting forgetful in my old age. ifc ± 7 ¥
6
after a particular length of time * ( Wt N" Ihl ) *
:
to return in a few minutes/hours/days/months. JL ft®? / fl/Jsflt
/ /l A / Jl AJ! fs 0A 0 It will be ready in a week’s time (= one
week from now). H W ~~ J§l (ft Rt faj Wt 0 She learnt to drive
in three weeks (= after three weeks she could drive). M?£HyFM#lffe^^7A:
A c 7 (used in negative sentences or after first, last, etc.
#3 7 sti Aj ^ first, last ^ * Jg) for a particular period of time * ( ) p*g: I haven’t seen him in
years. ll^'&JiLM'ftfcTp
0 It’s the first letter I’ve
had in ten days. & ^ 7 A A i|fc M. W % — if
ft 0
8
wearing sth WW ; DcW: dressed in their best clothes 0 the man
in the hat Dtll T^JflT 0 to be
in uniform If rfrj IS 0 She
was all in black.
ft
— j| H 0 9 used to describe physical surroundings
( ) : We went out in the rain.
ffcff]
WM
A ATo 0 He was sitting alone in the darkness, fib 10 used to show a
state or condition ( ) : I’m in
love! Ssfij! o The
house is in good repair. 0 I must
put my affairs in order, fi # M ® M
8 MIk A %■ 0 0 a man in his thirties — ^ (Hi I! T 0 The daffodils
were in full bloom. 7]cfilj*® -JFTo 11
involved in sth; taking part in sth #%; #|jp: to act in a play 12 used
to show sb’s job or profession ( ik ) : He is in the army, fib * %
PA UK a o She’s in computers. 0
in business }k$i 13 used
to
show the form, shape, arrangement or quantity of sth Wfk, : anovelin
three parts ffffi 0 Roll it up in a ball. JE'b’#
o
They sat in rows. ffefQ— j#~r#ilb£kir0 0 People flocked in
their thousands to see her. T
@ 14 used
to show the
language,
material, etc. used (
)
: Say it in English, iff 0 O She wrote in pencil. 0 Put it in writing. jE'BW T^o
0
/ paid in cash. M ^ fC f^
W 0 0 He spoke in a loud
voice, fib p o 15 concerning sth ^ ; * ■ ■ ■ ff
ffi:
She was not lacking in courage. 0
a country rich in minerals fif0 three metres
in length H 16 while
doing sth; while sth is happening # - ^; ^ In attempting to
save the child from drowning, she nearly lost her own
life. 0 In all the
commotion I forgot to tell him the news.
?ci^T
n-UrflbiPTfMBo 17 used to introduce the name of a person who has a particular
quality ( 61 np
H 66 A 66 & ¥ ) : We’re
losing a first-rate editor in Jen. 18 used to show
a rate or
relative amount (
S
) : a gradient of one in five 2#* — 0
a tax
rate of 22 pence in the pound 22
ITSIW in that /in dat/ (formal) for the reason that; because 0
&; 0 fj: She was fortunate in
that she had friends to help her.
a adv. lYTJlil For the special uses of in in phrasal verbs, look at the
entries for the verbs. For example fill in (for sb) is in the phrasal verb section at fill. * in
$n fill in
(for sb) *is]& fill 1 contained within an object, an area or a substance *0: We were locked in. fkfH
o I can’t drink coffee with milk in. 1^2 II Jp * #5JHj # o 2 into an object, an area or a
substance jgfcA: She opened the door and went in. jttbjT . JF H *8: 7 o 0 The kids were playing by the river and
one of them fell in. &H, — ^7jc7o 3 (of people A) at home or
at a place of work *^M; *if£!£-fNobody was in when we called, fk flit! OUT 4 (of trains, buses, etc.
A^> at the place where people can get on
or off, for
example the station * * &; * If H M: The bus is due in (= it should arrive) at six.
5 (of
letters, etc. fj|.#^) received iBcl!j;
:
Applications must be in by April 30. ^ if# m
M
H t 0 Zrn o 6 (of the TIDE m
W) at or towards its highest point on
land * H rfii A: Is
the tide coming in or going out? 5ft*iff
7
elected ^ : Several new
councillors got in at the
last election.
8
(in cricket, baseball,
etc. #^#) if a team or
team member
is in,
they are batting (in tennis,
etc. p«I^c^) if the ball is in, it has landed inside the line
(
$c ) ^*#0: Her serve was
just in.
*^* fT»171 be in at sth to be present when sth
happens ••• They were in at the
start,
Bt fMTMo be in for sth (informal) to be going to experience sth
soon, especially sth unpleasant BP # ^ Vi, BP#if^ ( ) : He’s in for a shock! \m
*
It ^ f'J M fw PlJ! o I’m afraid we’re in for a storm. * A fk f ll Wt % il MfAB 7 o be/get 'in on sth (informal) to be/become involved in sth; to
share or know about sth 7 $$: I’d like to be in on the plan.
M it M o 0 Is she in on the
secret?
(of
sth) going
regularly to a place He was in
and out of jail for most of his life. fibAA*MBt|0j|PJl:il&
mm% o
■ adj. [usually before noun] (informal)
popular and fashionable Miff P7 Purple is the in
colour this spring.
^feJi4'¥*A^M;f7feo
o Exotic pets are the in thing right now. ## 66 ^ ^ Bit F iS Bt i10
0 Short skirts are in again. fJft*XBtA$®^77c —see also in-joke
mnoun fTiTTl an in to sth = a way
into sth at way n. have an in with sb (especially NAmE) to have influence with sb A*12Ufa the ,ins and 'outs (of sth) all the
details,
especially the complicated or difficult ones ( % BtS, #1#: the ins and outs of the problem o
He quickly learned the ins and
outs of the job.
in,
abbr.
(pi. in. or ins.) inch H*: Height: 6ft 2in. j^:
6^R2
in-
prefix /in/ 1 (also il- /il/ im- /im/ ir- /ir/) (in adjectives, adverbs and nouns
not; the
opposite of A;
#; S. : infinite Jc PS 0