释义 |
narrowcast
nar·row·cast N0020200 (năr′ō-kăst′)v. nar·row·cast, nar·row·cast·ing, nar·row·casts v.tr. To communicate or transmit (a signal, a message, or content, such as audio or video programming) to a specific group of recipients simultaneously over a communication network: a mailing list narrowcasting marketing information over the internet.v.intr. To communicate or transmit a signal, a message, or content, such as audio or video programming, to a specific group of recipients simultaneously over a communication network.n.1. The act or process of narrowcasting a signal, a message, or content, such as audio or video programming.2. A signal, message, or audio or video program that is narrowcast over a communication network. [narrow + (broad)cast.] nar′row·cast′er n.narrowcast (ˈnærəʊˌkɑːst) vb, -casts, -casting, -cast or -casted1. (Broadcasting) (tr) to supply (television programmes) to a small area by cable television2. (Broadcasting) (intr) (of programmers or advertisers) to target a specialized audience on radio or television ˈnarrowˌcasting nnar•row•cast (ˈnær oʊˌkæst, -ˌkɑst) v.i. -cast -cast•ed, -cast•ing. to aim a radio or TV program or programming at a specific, limited audience or consumer market. [1950–55; narrow + (broad)cast] narrowcast Past participle: narrowcast/narrowcasted Gerund: narrowcasting
Imperative |
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narrowcast | narrowcast |
Present |
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I narrowcast | you narrowcast | he/she/it narrowcasts | we narrowcast | you narrowcast | they narrowcast |
Preterite |
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I narrowcast/narrowcasted | you narrowcast/narrowcasted | he/she/it narrowcast/narrowcasted | we narrowcast/narrowcasted | you narrowcast/narrowcasted | they narrowcast/narrowcasted |
Present Continuous |
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I am narrowcasting | you are narrowcasting | he/she/it is narrowcasting | we are narrowcasting | you are narrowcasting | they are narrowcasting |
Present Perfect |
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I have narrowcast/narrowcasted | you have narrowcast/narrowcasted | he/she/it has narrowcast/narrowcasted | we have narrowcast/narrowcasted | you have narrowcast/narrowcasted | they have narrowcast/narrowcasted |
Past Continuous |
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I was narrowcasting | you were narrowcasting | he/she/it was narrowcasting | we were narrowcasting | you were narrowcasting | they were narrowcasting |
Past Perfect |
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I had narrowcast/narrowcasted | you had narrowcast/narrowcasted | he/she/it had narrowcast/narrowcasted | we had narrowcast/narrowcasted | you had narrowcast/narrowcasted | they had narrowcast/narrowcasted |
Future |
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I will narrowcast | you will narrowcast | he/she/it will narrowcast | we will narrowcast | you will narrowcast | they will narrowcast |
Future Perfect |
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I will have narrowcast/narrowcasted | you will have narrowcast/narrowcasted | he/she/it will have narrowcast/narrowcasted | we will have narrowcast/narrowcasted | you will have narrowcast/narrowcasted | they will have narrowcast/narrowcasted |
Future Continuous |
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I will be narrowcasting | you will be narrowcasting | he/she/it will be narrowcasting | we will be narrowcasting | you will be narrowcasting | they will be narrowcasting |
Present Perfect Continuous |
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I have been narrowcasting | you have been narrowcasting | he/she/it has been narrowcasting | we have been narrowcasting | you have been narrowcasting | they have been narrowcasting |
Future Perfect Continuous |
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I will have been narrowcasting | you will have been narrowcasting | he/she/it will have been narrowcasting | we will have been narrowcasting | you will have been narrowcasting | they will have been narrowcasting |
Past Perfect Continuous |
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I had been narrowcasting | you had been narrowcasting | he/she/it had been narrowcasting | we had been narrowcasting | you had been narrowcasting | they had been narrowcasting |
Conditional |
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I would narrowcast | you would narrowcast | he/she/it would narrowcast | we would narrowcast | you would narrowcast | they would narrowcast |
Past Conditional |
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I would have narrowcast/narrowcasted | you would have narrowcast/narrowcasted | he/she/it would have narrowcast/narrowcasted | we would have narrowcast/narrowcasted | you would have narrowcast/narrowcasted | they would have narrowcast/narrowcasted |
narrowcast
narrowcastTo transmit to selected individuals. Cable TV and satellite radio are examples of narrowcast services because they reach only their subscriber base. Mailing lists are another example. Contrast with broadcast. See multicast.MedicalSeecastingThesaurusSeebroadcast |