present participle of slip under the radar

(dated) Something imaginary; a fantasy. / (philosophy) A phantasm (an impression received through the senses) or the faculty of receiving or representing these impressions. / Dated spelling of fant...

to illegally take control of a vessel.

(biology) A carrier for making antigens. Because of its large size and distant relation to humans and many test animals, KLH causes a large antigenic response. When paired with a hapten, the hapten...