IV

abbr. intravenous.

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i.v.,

1. initial velocity.

2. intravenous; intravenously.

IV (no periods) or I.V.,

intravenous; intravenously.

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1.

abbr. intravenous(ly)

2.

n. an intravenous drip feed

they put an IV in me

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I

/ˌaıˈviː/ noun, pl IVs [count]

US medical : a device that is used to allow a fluid (such as blood or a liquid medication) to flow directly into a patient's veins

The nurse started an IV.

The patient was hooked up to an IV.

◇ IV is an abbreviation of intravenous.

———————— II

adj, always used before a noun

US : ↑intravenous

IV drug users [=people who inject themselves with illegal drugs]

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IV [IV] abbreviation, noun [ˌaɪ ˈviː] [ˌaɪ ˈviː]

abbreviation

↑intravenous ↑intravenously [m1] 

noun (NAmE) = ↑drip (³)