Any of several devices, containing a two-dimensional array of small quantities of biological material, used for various types of assay; the array itself(noun)
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Use "microarray" in a sentence
"A new device called the microarray, a small chip coated with DNA sequences, can simultaneously analyze many more spots on the chromosomes."
"Like the more famous gene expression microarray, this SMMs are arrays of wells where small molecules are connected to a planer cellulose support system, after which the antibacterial activity can be measure."
"The researchers have taken an interesting approach to investigating the differences between humans and chimps - they have used a relatively new genetic tool known as microarray analysis to examine the differences in gene expression between the chimps and humans."