trifling /'traiflirj/ adj. (formal) small and not important

St #63; mA£it63; A£&i:63; AM^63 BlJZJ trivial: trifling details  5

trigger /'tng0(r)/ noun, verb

m noun 1 the part of a gun that you press in order to fire it ( j&63 ) ikfjl: to pull/squeeze the trigger 0

He kept his finger on the trigger. f&633NB--:lLAllri&in,o

2                  ~ (for sth) | ~ (to sth/to do sth) something that is the

cause of a particular reaction or development, espe­cially a bad one (       > j£B,

if 0 : The trigger for the strike was the closure of yet another factory.

3                  the part of a bomb that causes it to explode M A jig; 3M§£g: nuclear triggers &31j$£§

a verb [VN] 1 - sth (off) to make sth happen suddenly ; 3132; $4 A EY27I set off : Nuts can trigger off a violent allergic reaction.      nj W 31^^11633115

2 to cause a device to start functioning -Jf rfa ; 42 75 HU set off: to trigger an alarm ’trigger-happy adj. (informal, disapproving) too willing and quick to use violence, especially with guns UlTFjft

AA63; #463; SSjaftfll; mmm trigonometry /.tnge'nmnatri; NAmE -'norm-/ noun [u] the type of mathematics that deals with the relation­ship between the sides and angles of triangles H M ^ ► trig-ono-met-ric /.trigana'metrik/ (also trig-ono-met- ric-al /-kl/) adj.

trig point /'trig pomt/ (also tri.angu'lation point) noun (technical if. i§) a position on a high place used as a reference point, especially by people who make and use maps. It is usually marked on the ground by a short stone pillar. (     H

tri-graph /'traigraif; NAmE -graef/ noun (linguistics i|jW) a combination of three letters representing one sound, for example ‘sch’ in German HWA#; #

tri-he-dron /trai'hidran; -'hed-/ noun (geometry Jlfnf) a solid shape with three sides in addition to its base or ends Hffi#

trike /traik/ noun (informal) = tricycle tri-lat-eral /.trai'laetaral/ adj. involving three groups of people or three countries H 63 ; 7 A 63: trilateral talks    — compare bilateral(I), multilateral

(1), unilateral

trilby /'trilbi/ noun (pi. -ies) (especially BrE) a man’s soft hat with a narrow brim and the top part pushed in from front to back ( H ) MktM — picture o hat trill /tril/ noun, verb

a noun 1 a repeated short high sound made, for example, by sb’s voice or by a bird ( A 63 ) Mr ,

A A;  (       ) \%v$, BIPPBP^!^ 2 (music W) the sound

made when two notes next to each other in the musical scale are played or sung quickly several times one after the other M # 3 (also roll) (phonetics W) a sound, usually an /r/, produced by making the tongue vibrate against a part of the mouth n verb 1 [V] to make repeated short high sounds ( 3^ ^ ) ‘M. f$ If, fx.    (ft 0|fO r            warble : A phone trilled

on the desk.        T « Hfe P|r] 7 o o The

canary was trilling away happily.        HBpPBpnfWHk

2 [V speech] to say sth in a high cheerful voice  ft* i# tm warble : ‘How wonderful!’

she Willed. “A#7! ”        3 [VN] (phonetics

ilf) to pronounce an ‘r’ sound by making a trill(3) ft r 01!f — compare roll v.(10)

tril lion /’triljan/ number 1 l 000 000 000 000; one million million Jj {L; % l?rJI'3 You say a, one, two, several, etc. trillion without a final ‘s’ on ‘trillion’. Trillions (of ...) can be used if there is no number or quantity before it. Always use a plural verb with tril­lion or trillions. a, one, two, several, etc. trillion Rt, trillion [0 ft’7i]P S0 7 m ffi ft fi$5 @ b3c15M -      trillions

(of ...), trillion #1 trillions   isj0 2 a trillion

or trillions (informal) a very large amount A m; AI5 f!T31'J There are more examples of how to use numbers at the entry for hundred. jg 7 £5 ihj ffl if 7 0il HL hundred A „         3 (old-fashioned, BrE) one million million

million; l ooo ooo ooo ooo ooo ooo

2159   trinity

tri-lo-bite /'trailaubait; NAmE 'traila-/ noun a small sea creature that lived millions of years ago and is now a fossil   ( 4?S7JlW;7¥f!u63/h3m#£tf,

)

tril-ogy /'trilad3i/ noun (pi. -ies) a group of three books, films/movies, etc. that have the same subject or characters (         >714 W 63 )

trim /trim/ verb, noun, adj.

m verb (-mm-) [VN] 1 to make sth neater, smaller, better, etc., by cutting parts from it #35; #!l: to trim your hair M'M 0 to trim a hedge (back) #35 MM o (figurative) The training budget had been trimmed by £10 000. J§jJI| 7 1 2 ~ sth (off sth) | ~ sth (off/away)

to cut away unnecessary parts from sth MS £, $!]}£, 15 T, B&A ( 7'&^63§fl# ) : Trim any excess fat off the meat. JE^;&63flEJ^,A£]±#U£o ol trimmed two centimetres off the hem of the skirt.

TMS^o 3 [usually passive] ~ sth (with sth) to decorate sth, especially around its edges ^       , #j$, AH ( X

) : gloves trimmed with fur ij£ifi&63¥- H 11*171 .trim your 'sails 1 to arrange the sails of a boat to suit the wind so that the boat moves faster MWL: JjtLMSE 2 to reduce your costs 17 IJiiliiTi .trim down I .trim sth*-'down to become smaller in size; to make sth smaller ( ^

/Jn ; If M : Using the diet he’s trimmed down from 90 kuos to 70.          90 £ffm\j 70

^jfo

b noun 1 [C, usually sing.] an act of cutting a small amount off sth, especially hair ( ) #15 : a wash

and trim 'AjkWfk o The hedge needs a trim. 3&WM7I# 15 T o 2 [u, sing.] material that is used to decorate clothes, furniture, cars, etc., especially along the edges, by being a different colour, etc. (  MM.

63 )    The car is available with

black or red trim (= the colour of the seats).  63

0 a blue jacket with a white trim ^lWfi3i63Mfe±^c IR71 in (good, etc.) 'trim (informal) in good condition or order TfiT: He keeps in trim by running every day.

O The team need to get in trim for the

coming season.

m adj. 1 (of a person A) looking thin, healthy and attractive ^63; #j763;        63: She has kept

very trim. M63##^l#;f#;M'^o 0 a trim figure 63#W 2 neat and well cared for M A63; II7'MW63;

Tt1 W 63 Fnrn well kept : a trim garden H W M

mm

tri maran /'traimaraen/ noun a fast sailing boat like a catamaran, but with three hulls instead of two A#

tri-mes-ter /trai'mest9(r)/ noun 1 (medical @E) a period of three months during the time when a woman is pregnant i^$] ( VlELkM A#-# ) : the first trimester of pregnancy $££i63AH751 2 (NAmE) = term n. (2): The school year is divided into three trimesters. o — compare semester

trim-eter /'trimita(r); BrE also 'trai-/ noun (technical Ai§-) a line of poetry consisting of three sets of syllables called feet Ai=r^ix

trim mer /'trim0(r)/ noun a machine for cutting the edges of bushes, grass and hedges ( MA,    WM

63 ) #553Jl: a hedge-trimmer $tMfif5l/l

trim ming /'trimiq/ noun 1 trimmings (NAmE also fixings) [pi.] the extra things that it is traditional to have for a special meal or occasion ( 31 #63 ) IB 14: M^t'63 ffyj: a splendid feast of turkey with all the trimmings &     # # E14 63 -f- # A A 2 trimmings [pi.] the

small pieces of sth that are left when you have cut sth #J5TA63AM: 55IM: hedge trimmings |*fM#^5TA 63 K Df 3 [U, C, usually pi.] material that is used to decorate sth, for example along its edges iitffi^l: a white blouse with blue trimming

63

trin ity /‘trmati/ noun [sing.] 1 the Trinity (in Chris­tianity S % 15) the union of Father, Son and Holy Spirit as one God