IV [,ī-'vē] -n

  1. an apparatus used to administer a fluid (as of medication, blood, or nutrients) intravenously
  2. a fluid administered by IV
  3. intravenous; intravenously

iver·mec·tin [,ī-vər-'mek-tən] -n

  1. a drug mixture of two structurally similar semisynthetic lactones that is used in veterinary medicine as an anthelmintic, acaricide, and insecticide and in human medicine to treat onchocerciasis

IVF -abbr

  1. in vitro fertilization

ivied ['ī-vēd] -adj

  1. overgrown with ivy
  2. academic

ivo·ry ['īv-rē, 'ī-və-rē] -n, adj

  1. the hard creamy-white modified dentine that composes the tusks of a tusked mammal (as an elephant, walrus, or narwhal)
  2. a tusk that yields ivory
  3. a variable color averaging a pale yellow
  4. tooth
  5. something (as a piano key) made of ivory or of a similar substance

ivo·ry·bill [-,bil] -n

  1. ivory-billed woodpecker

ivo·rybilled woodpecker [-'bild-] -n

  1. a very large black-and-white woodpecker ( Campephilus principalis) of the southeastern U.S. and Cuba that has a showy red crest in the male and is presumed extinct in the U.S.

ivory black -n

  1. a fine black pigment made by calcining ivory

ivory nut -n

  1. the nutlike seed of a So. American palm ( Phytelephas macrocarpa) containing a very hard endosperm used for carving and turning

ivory tower [-'tau̇-(ə-)rish] -n, adj

  1. an impractical often escapist attitude marked by aloof lack of concern with or interest in practical matters or urgent problems
  2. a secluded place that affords the means of treating practical issues with an impractical often escapist attitude
  3. a place of learning

ivo·rytow·ered [-'tau̇(-ə)rd] -adj

  1. divorced from reality and practical matters
    • an ivorytowered recluse

ivy ['ī-vē] -n

  1. a widely cultivated ornamental climbing or prostrate or sometimes shrubby chiefly Eurasian vine ( Hedera helix) of the ginseng family with evergreen leaves, small yellowish flowers, and black berries
  2. poison ivy
  3. an Ivy League college
  4. academic
  5. ivy league

Ivy League -adj

  1. of, relating to, or characteristic of a group of long-established eastern U.S. colleges and universities widely regarded as high in scholastic and social prestige
  2. of, relating to, or characteristic of the students of Ivy League schools

Ivy Leaguer -n

  1. a student at or a graduate of an Ivy League school