IV

Pronunciation (US):

(GB):

 Dictionary entry overview: What does IV mean? 

• IV (noun)
  The noun IV has 2 senses:

1. the cardinal number that is the sum of three and one

2. administration of nutrients through a vein

  Familiarity information: IV used as a noun is rare.

• IV (adjective)
  The adjective IV has 1 sense:

1. being one more than three

  Familiarity information: IV used as an adjective is very rare.

 Dictionary entry details 

• IV (noun)

Sense 1

Meaning:

The cardinal number that is the sum of three and one

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

4; four; foursome; IV; Little Joe; quadruplet; quartet; quatern; quaternary; quaternion; quaternity; tetrad

Hypernyms ("IV" is a kind of...):

digit; figure (one of the elements that collectively form a system of numeration)

Sense 2

Meaning:

Administration of nutrients through a vein

Classified under:

Nouns denoting acts or actions

Synonyms:

intravenous feeding; IV

Hypernyms ("IV" is a kind of...):

alimentation; feeding (the act of supplying food and nourishment)

• IV (adjective)

Sense 1

Meaning:

Being one more than three

Synonyms:

4; four; iv

Similar:

cardinal (being or denoting a numerical quantity but not order)

 Context examples 

In their study, groups of animals received the BGC vaccine by ID, AE or IV routes.

(Changed route of immunization dramatically improves efficacy of TB vaccine, National Institutes of Health)

Novobiocin, as well as other aminocoumarin antibiotics, inhibits bacterial DNA synthesis by targeting at the bacteria DNA gyrase and the related enzyme DNA topoisomerase IV.

(Novobiocin, NCI Thesaurus)

Conscious or intravenous (IV) sedation: uses a mild sedative to relax you and pain medicine to relieve pain. You stay awake but may not remember the procedure afterwards.

(Anesthesia, NIH)

Stage III patients have disease on both sides of the diaphragm and stage IV patients once again have disseminated disease.

(Ann Arbor Lymphoma Staging System, NCI Thesaurus)

It is secreted by epithelial cells and comprised of proteoglycans, laminin and type IV collagen.

(Basal Lamina, NCI Thesaurus)

EXAMPLE(S): Subjects receive Drug X; Subjects receive Placebo; Subjects receive drug A IV in the first phase, drug B Oral in the second phase.

(Arm Description, NCI Thesaurus/BRIDG)

Nuclear pleomorphism in tumor cells defined either as grade III or IV.

(Nuclear Grade III or IV, NCI Thesaurus)

A platinum(IV) analogue with antineoplastic activity.

(Ormaplatin, NCI Thesaurus)

There are four major types, I-IV.

(Osteogenesis Imperfecta, NLM, Medical Subject Headings)

Sure, an' I couldn't iv done better meself, Hans, if it'd been for you.

(Love of Life and Other Stories, by Jack London)