Analyzer means: Analyzer is the standard American English spelling for an instrument or person that performs analysis. In optics, it specifically refers to a polarizing filter used to examine the polarization state. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour. As a place or proper-name reference it is purely descriptive. If your teen uses it, context will usually make the intent clear. A short, curious question about where they heard it is usually all that is needed to know whether to follow up.