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marker Definition

marker (mär′kər)

noun

a person or thing that marks; specif.,

  1. a person who keeps score in a game
  2. a device for keeping score
  3. a device for marking lines, as on a tennis court
  4. a bookmark
  5. a gravestone
  6. ☆ a milestone or similar sign
  7. genetic marker

marker Synonyms

marker

n.

  1. A sign

    ticket, price mark, trademark, seal, brand, stamp, boundary mark, tombstone, inscription; see also label, tag 2.

  2. A writing instrument

    felt tip pen, laundry marker, Magic Marker (trademark), colored pen, broad tip pen; see also pen 3.

marker Usage Examples

Preposition: of

  • resorption: Aspirin and nonsteroidal antiinflammatory drug use in elderly women: effects on a marker of bone resorption.
  • inflammation: The team looked at their blood for evidence of markers of inflammation.
  • turnover: The use of biochemical markers of bone turnover in osteoporosis.

Converse of object

  • erase: Dry erase markers write on and wipe off just as easily on the sleeves as on the card itself.

Adjective modifier

  • biochemical: The use of biochemical markers of bone turnover in osteoporosis.
  • surrogate: Given the chronic nature of the disease, surrogate markers for survival are used in clinical trials.
  • polymorphic: The main bottleneck for the feasibility of whole genome association studies is the scarcity of dense polymorphic markers across the whole genome.
  • molecular: Samples were then run on an ABI 377 gene scan analysis gel with an internal molecular weight marker.
  • prognostic: In this analysis, there is a suggestion that elevated c-fos expression is a good prognostic marker for patients with refractory colorectal carcinoma.
  • genetic: The prognostic significance of the genetic markers was also assessed.

Modifies a noun

  • pen: With a marker pen, put a small dot on the base of the dish at either end of each root tip.
  • gene: Early in the GE process, antibiotic resistance marker genes are used to ' mark ' GE crops, for example.
  • genotype: Marker assisted Technique in which selection of the best animals for breeding purposes is selection aided by the marker genotype.
  • biopsy: Transurethral tumor marker biopsies were obtained one week before the first instillation of the drug and one week after the last.

Noun used with modifier

  • microsatellite: However despite much effort to automate their use, microsatellite markers do have disadvantages.
  • paintball: We're proud to present a paintball marker like no other.
  • serum: Also, the measurement of serum markers may vary between laboratories.
  • tumor: This means that most work done on most tumor markers is almost worthless.
  • discourse: For example, a discourse marker may signal importance.
  • tumor: At the completion of high-dose chemotherapy, all tumor markers had returned to normal in 6 patients.