noughtnought /nɔːt $ nɒːt/ number 
A billion is 1 with 9 noughts after it.nought point one/two/three etc (=0.1, 0.2 etc)2 old use used in some expressions to mean nothing: Peace negotiations came to nought (=were not successful).
EXAMPLES FROM THE CORPUS
- A million is a 1 with 6 noughts after it.
- And 75 per cent of nought is still nought.
- But really, all this will come to nought.
- Hunter carved a hideous noughts and crosses pattern on Heidi's naked bottom after strangling her with a belt.
- Now try to imagine a ten followed by thirty noughts.
THESAURUS
the number 0. Also used when saying there is nothing at all: · A million is written as one followed by six zeros.· a temperature of zero degrees· Our chances of success are virtually zero.
British English zero – used especially in the results of sports games: · United won the game three-nil.· In rural areas, employment opportunities are almost nil.
British English spoken zero – used in calculations and figures: · It has increased by nought point seven five per cent (=0.75%).
used to say the number 0 like the letter O: · The code for Oxford is 0 one eight six five (=01865).
Longman Language Activatorthe number that means none the number 0: · The zip code for Annandale is zero eight eight zero one.· The ZR1 can go from zero to sixty miles per hour in 4.3 seconds.zero unemployment/growth/inflation etc (=when there is none at all): · In the long run, zero inflation will bring lower interest rates.· The government aims to hold the country's population at zero-growth.
British also zip American informal zero - use this especially in sports results: · At the end of the first half it's Spurs two, Arsenal nil.· "Who won?" "The Yankees, five-zip."· By a seven-nil vote, the Council passed a resolution protecting the land from development.
British zero - used especially before or after a decimal point: · Interest rates rose by nought point three percent today.· "What did you score?" "Nought out of ten."
zero - use this especially when saying a telephone number or the number after a decimal point. Pronounce this as the letter "o": · I'll be in room four-o-nine.· It's an inner London phone number, so you dial o-two-o-seven.· One hundredth has the same value as point o one.
WORD SETSadd, verbaddition, nounArabic numeral, nounarithmetic progression, nounbi-, prefixbillion, numbercalculate, verbcalculation, nouncardinal, nouncardinal number, nouncoefficient, nouncommon denominator, nounconstant, nouncube, verbcube root, nounD, noundecimal, noundecimal, adjectivedecimal point, noundemi-, prefixdenominator, noundigit, noundivide, verbdividend, noundivisible, adjectivedivision, noundivisor, noundouble-digit, adjectivedouble figures, nouneight, numbereighteen, numbereighth, adjectiveeighty, numbereleven, numberequal, adjectiveequal, verbequals sign, nouneven, adjectiveexponent, nounfactor, nounfactor, verbfactorial, nounfifteen, numberfifth, nounfifty, numberfig., figure, nounfive, numberforty, numberfour, numberfourteen, numberfourth, nounfraction, noungeometric progression, noungross, nounHCF, hundred, numberimproper fraction, nounindivisible, adjectiveinfinity, nouninteger, nounL, nounlogarithm, nounlowest common denominator, nounM, nounmedian, nounmedian, adjectivemillion, numbermultiple, nounmultiplication, nounmultiplication sign, nounmultiplication table, noun-nd, suffixnegative, adjectivenine, numbernineteen, numberninety, numberninth, adjectiveNo., nos., nothing, pronounnought, numbernumber, nounnumeral, nounnumerator, nounnumerical, adjectiveO, nounoblique, nounone, numberordinal number, nounpi, nounplot, verbplus, prepositionpoint, nounpositive, adjectiveprime number, nounproduct, nounproper fraction, nounproportion, nounquadr-, prefixquadrillion, numberquadruple, adjectivequotient, noun-rd, suffixroman numeral, nounroot, nounround, adjectivescore, numbersecond, numberserial number, nounset, nounsingle figures, nounsix, numbersixteen, numbersixty, numbersquare, nounsquare, verbsquared, adjectivesquare root, noun-st, suffixsubtract, verbsum, nountake, verbten, numbertenth, adjectivetertiary, adjectivetetra-, prefixthirteen, numberthirty, numberthousand, numberthree, numberthree-quarter, adjectivethreescore, numbertreble, determinertri-, prefixtrillion, numbertwelve, numbertwenty, numbertwice, adverbunit, nounV, nounvulgar fraction, nounwhole number, nounX, nounzero, number
COLLOCATIONS FROM THE ENTRY Peace negotiations came to nought (=were not successful).
1British English the number 0 SYN zero: (=0.1, 0.2 etc)
Peace negotiations came to nought (=were not successful). A billion is 1 with 9 noughts after it.nought point one/two/three etc (=0.1, 0.2 etc)2 old use used in some expressions to mean nothing: Peace negotiations came to nought (=were not successful).