have
to do at a particular time Q PiTTl
are
available to do a job, play in a team, etc. m verb (BrE) to put sb’s name on a roster 45 ) ?!] A
[VN] The
driver was rostered for Sunday.
mmmmmBi&Mo [also vn to inf] ros-trum /'rostram;
A/Amf 'ra:s-/ noun (pi. rostrums or rostra /-tra/) a small raised platform
that a person stands on to make a speech, conduct
music, receive a prize, etc. iAfe;
rosy /'rauzi; /VAm£ 'rouzi/ ad/', (rosier, rosiest) 1 pink and pleasant in appearance & 6ft * fl [ill: She had rosy cheeks. 0 2 likely to be good or
successful H
(ft; H73 hopeful
: The future
is looking very rosy for our company, CItiT Ji: —■ ft ft BJj o o She painted a rosy picture of their life together in
u verb ( tt-) to decay, or make sth decay,
naturally and gradually ( 023 decompose-. [V]
rotting leaves j$)Ti$T/^!^.£ftIitT 0 The window frame had rotted
away completely. Hfflg7» o (figurative) prisoners
thrown in jail and left to rot gAA A/S IfcAA&InJEft
02E o [VN] Too much sugar will rot your teeth. ft A ft Fffl !& 5F o — see also rotten
«0.(D
■ noun [U] 1 the process
or state of decaying and falling apart fSc3£Illt: The wood must not get damp as
rot can quickly result. ,
&fJftWt A£
W o — see also dry rot, wet rot 2 the rot used to describe the fact that
a situation is getting worse ff,
15 ft: The rot set in last
year when they reorganized the department. to 0
The
team should manage to stop the rot if they play well this week.
A (ft 15 ft 0 3 (old-fashioned, BrE) nonsense; silly things that sb
says 033 rubbish: Don’t talk such
rot!
$i]iftJti$!
rota /'rauta; NAmE 'routa/ noun (BrE) a list of jobs that need to be
done and the people who will do them in turn m # n fit H S23 roster : Dave organized a cleaning rota.
rotary /'rautari; NAmE 'rou-/ adj., noun a adj. [only before noun] 1 (of a movement iszjfr) moving in a circle around a central fixed point
$E$|(ft;
(ft: rotary motion $E$li£zj[j 2 (of a machine or piece of
equipment #l3§|&i£i§-) having parts that move in this way g/j (ft: a rotary engine » noun {pi. -ies) (NAmE) = roundabout
n (1)
'Rotary club noun a branch of an organization of
business and professional people whose members meet for social reasons and to
raise money for charity ft
( A.)7± (
A£)
ro tate /rau'teit; NAmE 'routeit/ verb 1 ~ (about/around sth) to move or turn around a
central fixed point; to make sth do this ( ft ) ftzjfj: [V] Stay well away
from the helicopter when its blades start to rotate. ]|[
ft «i«^ftM^liA <> [VN] Rotate the
wheel through 180 degrees. 2
if a
job
rotates, or if people rotate a job, they regularly change the job
or regularly change who does the job ( Ift ) Eft-ftkft; ( A& )■'$&&, [V] The EU
presidency rotates among the members. [ft §1 ft - IR
Eb ft ft, it S 'M FS if o 0 When I joined the company, I
rotated around the different sections. jJP
A & A A is] N-, M ft ft A I^J $J H o <> [VN] We rotate the night
shift so no one has to do it all the time. ^ if] iJiC fit M, o ► rotating adj. [only
before noun]: rotating parts tiSlftlftnMf O cl rotating presidency t A0AIR
rota tion /rau'teijn; NAmE rou-/ noun 1 [U] the action of an object
moving in a circle around a central fixed point $f zylj: the daily rotation of the earth
on its axis AM § $1 2 [C] one complete movement in a
circle around a fixed point ( ) —Ml, — IS: This
switch controls the number of rotations per minute. j£ft 3 [U, C] the act of regularly changing the
thing that is being used in a particular situation, or of changing the person
who does a particular job $£ft; A#; crop rotation/the rota
tion of crops (= changing the crop that is grown on an
area of land in order to protect the soil) jXj^(ft$kft 0 Wheat, maize and sugar beet are
planted in rotation. AH, 0
The committee is
chaired by all the members in rotation.
► ro-ta-tion-al /-Janl/ adj. [only before noun] Ro-ta-va-tor™ (also Ro-to-va-tor™) /'rautaveita(r); NAmE 'rou-/ noun (BrE) a machine with blades
that turn and break up soil P%jL&mW1gl
ROTC /'rotsi; NAmE 'ra;t-/
abbr. (US) Reserve
Officers’ Training Corps (= an organization for students in the
rote /raut; NAmE rout/ noun [U] (often used as an
adjective # f] ft ffc §
is]) the process of learning sth by repeating it until you remember it rather
than by understanding the meaning of it :
to learn by
rote
0 rote learning
roti /'rauti; NAmE 'rou-/ noun [U, C] 1 a type of S Asian bread that is cooked on a griddle (
2
(IndE) bread of
any kind
ro-tis-serie /rau'tisari; NAmE rou-/ noun (from French) a piece of equipment for cooking meat that
turns it around on a long straight piece of metal (called a spit)
rotor /'rauta(r); NAmE 'rou-/ noun a part of a machine
that turns around a central point ffPff: rotor blades on a helicopter Ro-to-va-tor = Rotavator rot-ten /'rotn; NAmE 'ra:tn/ adj., adv. n adj. 1 (of food, wood, etc. #
% , # A #) that has decayed and cannot be eaten or used j|f;
ft : the smell of rotten vegetables M W H ^ O
The
fruit is starting to go rotten. 7k A B ^ A in A $ M To
O rotten floorboards 2 [usually before
noun]
(informal) very
bad # # fa & ; M £ W 023
terrible: I’ve had a rotten day! !
b
What
rotten luck! KfSJ®! o
She’s a rotten singer. Mji A^P^Jf^Ao 3 [usually before noun] (informal) dishonest
A M ^ : The organization is rotten to the
core. 4 [not before noun] (informal)
looking or feeling ill/sick Aii: She felt rotten.
M
li f; T ^ 1 o 5 [not before noun] (informal) feeling
guilty about sth you have done ilS 0C ( s5c1SrtJ&
) :
I
feel rotten about leaving them behind. & A T ftk ill A If, 6 [only before noun] (informal) used
to
emphasize that you are angry or
upset about sth (
) 1165, : You can keep your
rotten money! ► rot-ten-ness noun
[U]
IT»771 a rotten 'apple one bad person who has a
bad effect on others in a group
a adv. (informal) to a large degree; very much tHAISIt: ± ;
# # : She
spoils the children rotten. M IS M ft To b (BrE) He fancies you (something) rotten. 7 ^ jA
rot-ter /'rota(r); A/Amf 'ra:t-/ noun (old-fashioned, BrE, informal) a person who behaves badly towards other
people AM; 15
Rott-weiler /'rotwaila(r); -vai-; NAmE 'raitwai-/ noun a large dog that can be
very aggressive ro tund /rau'tAnd; /VAmf rou-/
ady. (formal or humorous) having a fat round body
0 # 65); HTI plump :
the rotund figure of Mr Stevens ► ro tund ity noun [U]
ro tunda /rau'tAnda; AMm£ rou-/ noun a round building or
hall, especially one with a curved roof (= a dome) 0
0^Alr
( A«W0Mitt )
rou ble (especially
BrE) (NAmE usually ruble) /'ru:bl/ noun the unit of money in
Russia AT ( M
ft )
roue /'ru:ei; A/Am£ rui'ei/ noun (old-fashioned) a man who drinks too
much alcohol, uses illegal drugs, or is