selective Definition

of, relating to, or characterized by selection : selecting or tending to select

highly specific in activity or effect

the process of modifying the characteristics of living things especially to enhance one or more desirable traits by selection in breeding controlled by humans —called also artificial selection

any of a class of drugs (such as raloxifene or tamoxifen) that bind with estrogen receptors (as of the breast, uterus, or bone) and act as agonists to enhance estrogen activity in some tissues and as antagonists to inhibit estrogen activity in other tissues —called also SERM

ssri

a system under which men are called up for military service : draft

the tendency to remember only what one wants to remember

any of a class of antidepressants (such as fluoxetine) that inhibit the inactivation of serotonin by blocking its reuptake by presynaptic neuron endings —called also selective serotonin reuptake inhibitor