(physics) The fundamental unit of time equal to 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of … min, minute- a unit of time equal to 60 seconds or 1/60th of an hour; "he ran a 4 minute mile". When the atomic second is reproduced by cesium standards, the error at the present time is approximately ± 1 × 10-12. What does Second (time) mean in … How to use time in a sentence. This unit is called the ephemeris second, and it is determined from astronomical observations. There are other expressions for the second. This is mostly done in formal writing). The definition of a second is a small bit of time, with 60 seconds making up one minute. It is one of the seven SI base units. The second was formerly defined as 1/86,400 of the mean solar day—i.e., the average period of rotation of the Earth on its axis relative to the But three months and another positive test later, she told CNN she is still feeling unwell. The second defined in this manner is known as the atomic second. a unit of time. Seconds - definition of seconds by The Free Dictionary. The second is not the only unit … The following definition was adopted by the 13th General Conference on Weights and Measures, held in 1967: the second is the duration of 9,192,631,770 periods of the radiation corresponding to the transition between two hyperfine levels of the ground state of the cesium-133 atom. a unit of measurement of plane angles. It can be reproduced by means of cesium frequency and time standards, which permit the determination of the frequency of the radiation of cesium-133 atoms when transitions occur between two fixed energy levels (seeQUANTUM FREQUENCY STANDARDS). A unit of secondary quality or one not meeting specified dimensions; a, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Great Patriotic War of the Soviet Union of 1941-45, Second All-Russian Congress of Soviets of Peasants Deputies, Second All-Russian Congress of Soviets of Workers and Soldiers, Second Conference of the Russian Social Democratic Labor Party, Second Congress of Soviets of the Union of Soviet Socialist Republics, Second Congress of the Russian Social Democratic Labor Party, Second Advanced Telecommunications Notice of Inquiry. Shelby Hedgecock thought a negative Covid-19 test meant she had recovered from her initial infection. ( Electrical engineering: General) A second is a unit of time, and one of the sixty parts that a minute is divided into. occasion that the same thing happens: He repeated none of the errors he’d made first time round. Dictionary ! leap second- a second (as measured by an atomic clock) added to or subtracted from Greenwich Mean Time in order … Information and translations of Second in the most comprehensive … time around/round, the webmaster's page for free fun content, Olympic gold in Tokyo will be '10 times harder' than Rio - Peaty; SWIMMING, Downing Kohli would be dream come true for England's Anderson; WORLD OF SPORT CRICKET, We need list of landlords; Letters, comments and emails, England hoping for return of Shah; Cricket, How we coped with two under two; FEATURE The Duchess of Cambridge now has to deal with Prince George, who turns two in July, as well as newborn Princess Charlotte. ənd] (mathematics) A unit of plane angle, equal to 1/60 minute, or 1/3,600 degree, or π/648,000 radian. It is equal to 1/3600 of a degree or 1/60 of a minute and is denoted by the symbol”. The second (abbreviation, s or sec) is the Standard International ( SI) unit of time.One second is the time that elapses during 9,192,631,770 (9.192631770 x 10 9) cycles of the radiation produced by the transition between two levels of the cesium 133 atom.. Second definition, next after the first; being the ordinal number for two. time aˈround/ˈround on the next, first, second, etc. split second definition: 1. a very short moment of time: 2. a very short moment of time: 3. a very short period of time: . The second conditional uses the past simple after if, then 'would' and the infinitive: if + past simple, ...would + infinitive (We can use 'were' instead of 'was' with 'I' and 'he/she/it'. Split second definition: A split second is an extremely short period of time. Learn more. Time has been called an illusion, a dimension, a smooth-flowing continuum, and an expression of separation among events that occur in the same physical location. 1. What does second expression mean? An example of a second is the time it takes you to say Mississippi. Second ... Second (time) Second (time) Second (time) Second (time) Second Accumulated Net Cash Position; Second Administrative Level Boundaries; See more. next to the first in place or time; next to the first in value, excellence, or degree; inferior, subordinate… Analog clocks and watches often have sixty tick marks on their faces, representing seconds, and a "second hand" to mark the passage of time in … He repeated none of the errors he’d made first time round. at any one time definition in English dictionary, at any one time meaning, synonyms, see also 'time',time on',time off',access time'. In other cases, the quantity name implies the base unit, like "century".In most cases, the base unit is seconds or years. In North America, electricity is generated at 60 Hz, which means that the electrons move forward, then back again, 60 times in one second . Definition of second in the Idioms Dictionary. second definition: 1. immediately after the first and before any others: 2. the position in which a person finishes a…. Before the introduction of the ephemeris second in 1956, the time standard was the second defined as 1/86,400 of the mean solar day. tim: The basis of the Hebrew measurement of time was the day and the lunar month, as with the Semites generally. A literal definition is elusive. Definition of Second (time) in the Legal Dictionary - by Free online English dictionary and encyclopedia. The definition of second is the next in order after the first. The precise date is indicated in the definition of the ephemeris second because the tropical year is not a constant. Each idiom or expression has a definition and two example sentences to help to understand these common idiomatic expressions with 'time'. Time is an observed phenomenon, by means of which human beings sense and record changes in the environment and in the universe. Besides the atomic second, such sciences as astronomy and geodesy make use of the second whose definition is based on the period of revolution of the earth about the sun. The Second Conditional. Definition and synonyms of second from the online English dictionary from Macmillan Education.. It has two uses. Enrich your vocabulary with the English Definition dictionary Another word for second. Second, fundamental unit of time, now defined in terms of the radiation frequency at which atoms of the element cesium change from one state to another. | Meaning, pronunciation, translations and examples Definitions by the largest Idiom Dictionary. noun. Meaning of Second (time) as a legal term. Definition of Second in the Definitions.net dictionary. Definition agreed by the 26th CGPM (November 2018), implemented 20 May 2019: The second, symbol s, is the SI unit of time. The definition of second language acquisition and learning describes the process of understanding, speaking and writing another language fluently. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. ‘Torrance squeezed the trigger, waited twenty five seconds and fired again.’. Meaning of Second. Definition of second time round in the Idioms Dictionary. This unit, however, was insufficiently stable because of variations in the speed of rotation of the earth. A unit of plane angle, equal to 1/60 minute, or 1/3,600 degree, or π/648,000 radian. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Next time around, dinner is on me! Learn more. ESL students should read this guide on the use of time expressions with various tenses in English, including explanations and examples. Second Time Lyrics: We were playing twenty one / In the pitch black of a country night / I was struck like a drum / And I rolled my eyes trying to sit tight / I was dangerously tangled second time I The following idioms and expressions use 'time'. The ephemeris second is taken as 1/31,556,925.9747 of the tropical year for 1900 January 0 at 12 hours ephemeris time—that is, the year beginning at noon on Dec. 31, 1899. Cathy Owen reports, Karmichael Hunt takes 'versatile' to new levels with fly-half appearance; Having shone in rugby league and Australian Rules football, Karmichael Hunt is going for broke in rugby union by playing fly-half, WE FAILED TO CRILL 'EM OFF; 4 not enough for boss, Big trouble as Gregory damages Sussex flow, seduce (one) (away) from (someone or something), Second temporal derivative of displacement. Once you have studied these expressions, test your knowledge with quiz testing idioms and expressions with time. The ability to communicate in a second language is becoming an essential skill in today’s world. second (n.1) "one-sixtieth of a minute of degree," also "sixtieth part of a minute of time," late 14c. The time needed for a cesium-133 atom to perform 9,192,631,770 complete oscillations. That means that the second is used to build the foundations of many other units. It is defined by taking the fixed numerical value of the caesium frequency Cs, the unperturbed ground-state hyperfine transition frequency of the caesium-133 atom, to be 9 192 631 770 when expressed in the unit Hz, which is equal to s –1. Donald B. Sullivan, a physicist and chief of the time and frequency division of the National Institute of Standards and Technology, explains. What is Second (time)? In this sense, also called arcsecond, second of arc. He vowed to pass the driving test the second time round. (the) next, first, second, etc. Cathy Owen met three mums who've had more than one child and asked them how they coped - without the help of an entourage, Mums' tips for Kate on coping with two under the age of two; Congratulations, Kate Middleton, on the arrival of Princess Charlotte, a baby sister for Prince George. Thanks, Bill. How to use second in a sentence. He saw in succession Makola's house, the store, the river, the ravine, and the low bushes; and he saw all those things again as he ran for the, "Winning it once is hard, but winning it a, The 20-year-old followed his first-innings four-wicket haul with a maiden Test half century to inspire the recovery, I hope Cllr Warrington's intention for Tameside to take action now is successful, But after Stokes had then hit 60 runs to help eke out a lead of 71, Anderson wasted no time, Then after Adil Rashid's five for 64 helped bowl their hosts out cheaply, Cathryn Hurley, from Heath, Cardiff, is mum to Eva, five, Owen, three-and-a-half, and Isaac, one, pictured "There are 21 months between Eva and Owen and, The Duke and Duchess of Cambridge with newborn Princess Charlotte The Duke and Duchess of Cambridge with newborn Princess Charlotte Cathryn Hurley, from Heath, Cardiff, is mum to Eva, five, Owen, three and a half, and Isaac, one "There are 21 months between Eva and Owen and, Hunt enjoyed a brief stint in union with French club Biarritz in 2009 and is hoping to follow in the foot-steps of Israel Folau in becoming a sensation, SEALE EALED WITH D A CHRIS Craig gets the better of visiting keeper Scott Goodbrand, Lewis Gregory did most of the damage with five for 49, and then Peter Trego made much shorter work of Wells, "When you win the league for the first time in so many (44) years it is very difficult to win it the. (also s, ʺ) A sixtieth of a minute of time, which as the SI unit of time is defined in terms of the natural periodicity of the radiation of a caesium-133 atom. TIME. Definitions by the largest Idiom Dictionary. second phrase. https://encyclopedia2.thefreedictionary.com/Second+(time). ♢ This time around it … Second definition is - next to the first in place or time. Time definition is - the measured or measurable period during which an action, process, or condition exists or continues : duration. What does second time round expression mean? Industrial Revolution, in modern history, the process of change from an agrarian and handicraft economy to one dominated by industry and machine manufacturing. The second is the base unit of time in the International System of Units, commonly understood and historically defined as 1⁄86400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. The second, sometimes abbreviated sec., is the name of a unit of time. What does Second mean? The introduction of the ephemeris second and then of the atomic second permitted the precision of the time standard to be improved by several orders of magnitude. The process began in Britain in the 18th century and from there spread to other parts of the world, driving changes in energy use, socioeconomics, and culture. Find more ways to say second, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. https://idioms.thefreedictionary.com/second+time+round. We have asked mums for their best advice on how to juggle having two children under the age of two. On the specified instance that something happens or occurs again. This is the British English definition of second.View American English definition of second.. Change your default dictionary to American English. It is one of the seven base units of the International System of Units. An order of magnitude of time is usually a decimal prefix or decimal order-of-magnitude quantity together with a base unit of time, like a microsecond or a million years.In some cases, the order of magnitude may be implied (usually 1), like a "second" or "year". Abbreviated s: sec. in geometry, from Old French seconde, from Medieval Latin secunda, short for secunda pars minuta "second diminished part," the result of the second division of the hour by sixty (the first being the "prime minute," now called the minute), from Latin secunda, fem. Menu. second time round phrase. time unit, unit of time- a unit for measuring time periods. 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