iv
/ˌaɪˈviː/ (bre, ipa) · /ˌaɪˈviː/ (ame, ipa) · /ˌī-ˈvē/ (ame, mw)
iv — adjective
- ivpositive
- ivvercomparative
- ivvestsuperlative
1. relating to a method of giving fluids, medicine, or nutrients directly into a ve
relating to a method of giving fluids, medicine, or nutrients directly into a vein, instead of through the mouth — used especially before a noun to describe the equipment or substance involved.
The nurse inserted an IV line into the back of Sari's hand before the surgery.
IV + noun (IV line, IV fluids, IV antibiotics)
Devika needed IV antibiotics for three days after the infection spread to her bloodstream.
After the accident, Ignacio was kept hydrated with IV fluids while he waited for surgery.
The hospital ran out of IV bags during the emergency, so staff had to order more from a nearby clinic.
- intravenous
the full form of the abbreviation; used in formal medical writing
- parenteral
broader medical term for any non-oral route (including IV); much more technical
文法句型
IV + noun (e.g., IV fluids, IV line, IV antibiotics)
用法筆記
Often used as a written abbreviation in medical contexts: 'IV fluids' means 'intravenous fluids', and 'given IV' means 'given intravenously'. It appears before nouns (IV drip, IV line) or after verbs (administer IV).
常見錯誤
iv — noun
- ivsingular
- ivsplural
1. a piece of medical equipment consisting of a bag of liquid medicine, food, or bl
a piece of medical equipment consisting of a bag of liquid medicine, food, or blood connected by a tube to a needle in a vein, used to deliver the liquid slowly into a patient's body.
Hyun spent two nights in the hospital on an IV after the vomiting left her severely dehydrated.
on an IV — the most common collocation for a patient receiving treatment
The nurse adjusted the flow rate on Ignacio's IV so the pain medicine would enter his body more slowly.
Devika watched the clear liquid in her IV bag drip down the tube, drop by drop, into her arm.
When the IV beeped to signal the bag was empty, Sari pressed the call button for the nurse.
- drip
informal British term for the same equipment; 'he's on a drip'
- intravenous line
more formal, full term for the tube setup
- IV line
slightly narrower — refers specifically to the tube rather than the whole apparatus
文法句型
on an IV
have an IV
attach / remove an IV
用法筆記
The phrase 'on an IV' refers to the patient receiving treatment. 'Put someone on an IV' and 'take someone off an IV' are common hospital expressions. Unlike the adjective sense, this noun can stand alone: 'He needs an IV.'