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lag

 
(lăg) pronunciation

v., lagged, lag·ging, lags.

v.intr.
  1. To fail to keep up a pace; straggle.
  2. To proceed or develop with comparative slowness: The electric current lags behind the voltage.
  3. To fail, weaken, or slacken gradually; flag.
  4. Games. To determine the order of play in billiards by successively hitting the cue ball against the end rail, the ball rebounding closest to the head rail indicating the player to shoot first.
v.tr.
  1. To cause to hang back or fall behind.
  2. To shoot, throw, or pitch (a coin, for example) at a mark.
n.
  1. The act, process, or condition of lagging.
  2. One that lags.
  3. A condition of slowness or retardation.
    1. The extent or duration of lagging: "He wondered darkly at how great a lag there was between his thinking and his actions" (Thomas Wolfe).
    2. An interval between events or phenomena considered together.

[From earlier lag, last person, from Middle English lag-, last (in lagmon, last man), perhaps of Scandinavian origin.]

lagger lag'ger n.

lag2 (lăg) pronunciation
n.
  1. A barrel stave.
  2. A strip, as of wood, that forms a part of the covering for a cylindrical object.
tr.v., lagged, lag·ging, lags.
To furnish or cover with lags.

[Probably of Scandinavian origin, akin to Swedish lagg.]


lag3 (lăg) pronunciation Chiefly British Slang.
tr.v., lagged, lag·ging, lags.
  1. To arrest.
  2. To send to prison.
n.
  1. A convict.
  2. An ex-convict.

[Origin unknown.]


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Time that has elapsed between when claims actually occurred and when claims are actually paid.

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verb

  1. To go or move slowly so that progress is hindered: dally, dawdle, delay, dilly-dally, drag, linger, loiter, poke, procrastinate, tarry, trail. Idioms: drag one'sfeetheels, mark time, take one's time. See fast/slow/velocity.
  2. To cause to be later or slower than expected or desired: delay, detain, hang up, hold up, retard, set back, slow (down or up), stall2. See help/harm/harmless, time.

noun

  1. The condition or fact of being made late or slow: delay, detainment, holdup, retardation. See help/harm/harmless, time.
  2. One that lags: dawdler, dilly-dallier, laggard, lagger, lingerer, loiterer, poke, procrastinator, straggler, tarrier. Informal slowpoke. See fast/slow/velocity.


v

Definition: move slowly; delay
Antonyms: hurry, lead, run, rush

[MUD, IRC; very common] When used without qualification this is synonymous with netlag. Curiously, people will often complain “I'm really lagged” when in fact it is their server or network connection that is lagging.


Difference in time between two waveforms of the same frequency expressed in degrees. Example: One waveform lags another waveform by a certain number of degrees.


i. A delay or time interval in an instrument like the vertical speed indicator (VSI) or an altimeter between the actual event and its display. An altimeter lags in steep descent and very steep climbs, while some lag is inherent on all VSIs.
ii. The angular crankshaft movement between a reference position such as TDC (top dead center), BDC (bottom dead center), and the opening or closure of a valve. Also called valve lag.

Picture 1 of lag


iii. The angular movement between the helicopter hub and the temporary slower blade.
iv. The delay in the human reaction to an event.

noun
noun, dated

1:
A convict, prisoner; esp. in phr. old lag, an ex-convict or habitual convict. (1812 —) .
Sunday Mail Magazine (Brisbane): The old lags inhabiting Queensland's prisons in 1885 must have been disappointed when the colony's official flogger, John Hutton, retired (1989).

2:
A term of imprisonment or transportation. (1821 —) . verb trans. dated

3:
To send to prison or transport. (1812 —) .

4:
To arrest. (1847 —) .

[Origin unknown; cf. obs. lag verb, to carry off, steal.]


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1. the time elapsing between application of a stimulus and the resulting reaction.
2. the early period after inoculation of bacteria into a culture medium, in which the growth or cell division is slow.

  • l. screw — a screw used in compression plating of bone fractures; it has U-shaped threads.
Random House Word Menu:

categories related to 'lag'

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Random House Word Menu by Stephen Glazier
For a list of words related to lag, see:

  See crossword solutions for the clue Lag.

Lag is a common word meaning to fail to keep up or to fall behind.[1] In real-time applications, the term is used when the application fails to respond in a timely fashion to inputs.[2][3] The most common use regards online gaming when the game doesn't respond in sync with the player's controls, usually due to a slow internet connection, server latency or overworked hardware.

Lag is also often used in reference to video games to describe to the delay (or latency) between an action by a player and the reaction of the game.[4]

In distributed applications (such as MMORPGs), lag is often caused by communication latency, which is the time taken for a sent packet of data to be received at the other end. It includes the time to encode the packet for transmission and transmit it, the time for that data to traverse the network equipment between the nodes, and the time to receive and decode the data. This is also known as "one-way latency". A minimum bound on latency is determined by the distance between communicating devices and the speed at which the signal propagates in the circuits (typically 70–95% of the speed of light in vacuum). Actual latency is often much higher because of packet processing in networking equipment, and other traffic.

The term lag is often also used as a synonym for communication latency.[5] This can be misleading because there can be other causes for the symptom.

Contents

Lag in local video gaming

All video games incur some lag, since once an input from the player is received, the game must compute the next frame of video and that video frame must be scanned out to a display device. But in general parlance, video game lag refers to delays that are noticeable to a player. The tolerance for lag depends heavily on the type of game. For instance, a strategy game or a turn-based game with a low pace may have a high threshold or even be mostly unaffected by high delays, whereas a twitch gameplay game such as a first-person shooter with a considerably higher pace may require significantly lower delay to be able to provide satisfying gameplay. But, the specific characteristic of the game matter. For example, fast chess is a turn-based game that is fast action and may not tolerate high lag. And, some twitch games can be designed such that only events that impact the outcome of the game introduce lag, allowing for fast local response most of the time.

Lag in online multiplayer gaming

All online video games such as Halo, World of Warcraft, Final Fantasy XI, Call of Duty, Adventure Quest Worlds, RuneScape, League of Legends, Heroes of Newerth, War of Legends,etc. incur online lag due to a combination of local and remote processing lag and communications latency, and user tolerance for lag depends highly upon the type of game, similarly as it does for local gaming.[6] In general parlance, the round-trip network latency between a client game and the host server is referred to as the client's ping time.[4]

Lag in cloud gaming

Cloud gaming is a type of online gaming where the entire game is hosted on a game server in a data center, and the user is only running a thin client locally that forwards game controller actions upstream to the game server. The game server then renders the next frame of the game video which is compressed using low-lag video compression and is sent downstream and decompressed by the thin client. For the cloud gaming experience to be acceptable, the round-trip lag of all elements of the cloud gaming system (the thin client, the Internet and/or LAN connection the game server, the game execution on the game server, the video and audio compression and decompression, and the display of the video on a display device) must be low enough that the user perception is that the game is running locally.[7][8] Because of such tight lag requirements, distance considerations of the speed of light through optical fiber come into play, currently limiting the distance between a user and a cloud gaming game server to approximately 1000 miles, according to OnLive, the only company thus far operating a cloud gaming service.[9]

Cloud gaming is a very new technology, but early tests have shown that in practice, cloud gaming lag is only slightly higher than local console lag. For example, Unreal Tournament 3 incurs up to 133ms of lag on a console[10] and was tested in July 2010 as incurring 150ms in lag on OnLive,[11] resulting in the assessment in July 2010 that "Out of controlled conditions, OnLive has managed to get within spitting distance of console response times".[11] In September 2010, reviewers reported a steady reduction in lag due to constant improvements in the technology, to the point where "the actions on screen were one-to-one with my input controls. In fact, I forgot that it wasn't running natively on my PC."[12]

See also

References

  1. ^ "lag" at dictionary.reference.com
  2. ^ "lag" at wiktionary
  3. ^ Mitigating the Effects of Time Lags on Driving Performance (robotics)
  4. ^ a b "Noob Glossary: Ping, Lag and Servers". Bright Hub!. 2009-12-13. http://www.brighthub.com/video-games/pc/articles/45925.aspx/. Retrieved 2010-08-27. 
  5. ^ What is Lag? at gamedev.net
  6. ^ "Latency Can Kill: Precision and Deadline in Online Games". ACM. 2010-02-23. http://www.cs.ucsb.edu/~almeroth/classes/W10.290F/papers/claypool-10.pdf/. Retrieved 2010-08-27. [dead link]
  7. ^ "D8 Video:OnLive demoed on iPad, PC, Mac, Console, iPhone". Wall Street Journal. 2010-08-09. http://video.allthingsd.com/video/d8-video-onlive-demo/9D57A2C6-24ED-4351-8266-F3F7BA0C4D18/. Retrieved 2010-08-19. 
  8. ^ "The Process of Invention: OnLive Video Game Service". The FU Foundation School of Engineering & Applied Science (Columbia University). http://tv.seas.columbia.edu/videos/545/60/79. Retrieved 2010-01-23. 
  9. ^ "Beta Testing at the Speed of Light". OnLive. 2010-01-21. http://blog.onlive.com/2010/01/21/beta-testing-at-the-speed-of-light/. Retrieved 2010-01-23. 
  10. ^ "Console Gaming: The Lag Factor". Eurogamer Digital Foundry. 2009-09-05. http://www.eurogamer.net/articles/digitalfoundry-lag-factor-article?page=3/. Retrieved 2010-08-27. 
  11. ^ a b "Digital Foundry vs. OnLive". Eurogamer Digital Foundry. 2010-07-09. http://www.eurogamer.net/articles/digitalfoundry-vs-onlive-article/. Retrieved 2010-08-27. 
  12. ^ "OnLive Does What Consoles Can’t: The promise of constant performance upgrades may pull it ahead of today’s consoles.". Gamezone. 2010-09-06. http://www.gamezone.com/editorials/item/onlive_succeeds_consoles_by_constant_performance_upgrades/. Retrieved 2010-08-27. 

External links


Translations:

Lag

Top

Dansk (Danish)
1.
v. intr. - bevæge sig langsomt, komme bagefter, drysse, smøle, komme bagud, sakke bagud
v. tr. - forsinke
n. - forsinkelse, det at være bagud, arbejde der skal indhentes, tidsforskel

2.
v. tr. - varmeisolere, beklæde med varmeisolation
n. - strimmel af isolationsmateriale

3.
n. - straffefange, deporteret forbryder
v. tr. - arrestere, sætte i fængsel, deportere

Nederlands (Dutch)
achterblijven, achteraan komen, dralen, isoleren (boiler), met eerste stoot beslissen wie begint (biljart), verslappen, veroordelen, deporteren, vertraging, achterstand, tijdsverloop, achterste/ laatste, duig van een vat, isolering van boilers, veroordeelde/ gedeporteerde

Français (French)
1.
v. intr. - traîner, être à la traîne, (fig) être en retard sur
v. tr. - traîner
n. - décalage, retard

2.
v. tr. - calorifuger, isoler (un toit)
n. - isolation (thermique)

3.
n. - repris de justice, récidiviste (arg)
v. tr. - arrêter/mettre en prison

Deutsch (German)
1.
v. - zurückbleiben, nachlassen, (Elek) nacheilen
n. - Zurückbleiben, Verzögerung, Festlegung der Spielfolge

2.
v. - isolieren
n. - Isolierung

3.
n. - (ugs.) Knastbruder, Sträfling, Knacki
v. - (ugs.) verhaften, ins Gefängnis stecken

Ελληνική (Greek)
v. - καθυστερώ, βραδυπορώ, μένω πίσω, μονώνω
n. - (καθ)υστέρηση, (χρονικό) κενό

Italiano (Italian)
indebolirsi, restare indietro

Português (Portuguese)
v. - atrasar-se
n. - atraso (m)

Русский (Russian)
отставать, арестовывать, покрывать изоляцией, отставание, запаздывание, каторжник, клепка

Español (Spanish)
1.
v. intr. - rezagarse, retrasarse, andar muy despacio, demorarse
v. tr. - andar muy despacio, no poder seguir el ritmo
n. - retardo, retraso, rezagado

2.
v. tr. - aislar, revestir, forrar
n. - revestimiento aislante, listón, forro

3.
n. - presidiario, convicto, ex-convicto, sentencia
v. tr. - encarcelar, poner en prisión

Svenska (Swedish)
v. - bli efter, komma på efterkälken, mattas, (sl.) haffa, sy in (brottsling), värmeisolera
n. - försening, förskjutning, eftersläpning, stav, (dial.) lagg (i träkärl)

中文(简体)(Chinese (Simplified))
1. 走得慢, 延迟, 落后, 滞缓, 落后于, 滞后于, 衰退, 滞后, 落后程度

2. 桶板, 绝热层, 外套, 给...装外套

3. 押往监狱, 囚犯

中文(繁體)(Chinese (Traditional))
1.
n. - 桶板, 絕熱層, 外套
v. tr. - 給...裝外套

2.
v. intr. - 走得慢, 延遲, 落後, 滯緩
v. tr. - 落後於, 滯後於
n. - 落後, 衰退, 滯後, 落後程度

3.
v. tr. - 押往監獄
n. - 囚犯

한국어 (Korean)
1.
v. intr. - 처지다 , 공을 치다, 시들다
v. tr. - 뒤쳐지게 하다, 시들게 하다
n. - 지연, 지체, 공치기

2.
v. tr. - 피복제로 싸다
n. - 통의 널판, 외피

3.
n. - 죄수, 복역기간, 투옥
v. tr. - 투옥하다, 체포하다

日本語 (Japanese)
v. - 遅れる, ついて行けなくなる, ぐずつく, 薄れる, 断熱材で覆う, 投獄する
n. - 遅延, ずれ, 囚人, 服役期間

العربيه (Arabic)
‏(فعل) يتخلف, يتلكأ, يتباطأ, يتوانى, يفتر (الاسم) تخلف, تلكؤ, تباطؤ, فتور‏

עברית (Hebrew)
v. intr. - ‮התקדם לאט‬
v. tr. - ‮פיגר‬
n. - ‮איחור, האטה בזרם‬
v. tr. - ‮בידד‬
n. - ‮מכסה מבודד-חום של דוד-חימום, אסיר‬
n. - ‮תקופת-מאסר, אסיר, בדוקאי - עבריין חוזר לסורו, פושע‬
v. tr. - ‮אסר‬


 
 

 

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