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tr.v. un·der·ran (-răn′), un·der·run, un·der·run·ning, un·der·runs
1. To run, pass, or go beneath.
2. Nautical To haul (a line or cable) onto a boat for inspection or repair.
1. Something that runs under, as:
a. An amount or a quantity produced that is less than what has been estimated.
b. The difference between this amount or quantity and what has been estimated.
2. An undercurrent.


vb, -runs, -running, -ran or -run
1. (tr) to go beneath
2. (Nautical Terms) (tr) to check the hull of (a boat)
3. (Nautical Terms) (tr) to retract (a net or trawl)
4. (Broadcasting) (intr) (of a broadcast programme) to fall short of scheduled time
5. the degree to which a programme underruns
6. the action of going beneath
7. an undercurrent


(ˌʌn dərˈrʌn)

v. -ran, -run, -run•ning,
n. v.t.
1. to run, pass, or go under.
2. something that runs or passes underneath, as a current.
3. an instance of costing less than estimated.
4. a production run below the quantity ordered.
References in periodicals archive ?
Tenders are invited for Indoor Camera , 4 Channel Dvr, Av Drive Hdd 1Tb, Power Supply, Connector, Cable (Copper) Suitable Thickness (Rates Of Different Thickness I.
With fast write performance and AV enhancements, the Beluga AV drive delivers reliable, uninterrupted data streams.
Nikon invented the Beluga AV drive with this application in mind," said Masayuki Onose, senior marketing manager at Nikon, Optical Storage.
My Passport AV portable media drives utilize the same drive technology found in WD AV drives inside leading cable and satellite set-top boxes and DVRs (digital video recorders) around the world.
This device, customized to meet a disk drive manufacturer's requirements, is ideal for AV drives poised for use in high-growth consumer electronic products such as digital set-top boxes, digital video recorders and digital televisions.