One who places a high value on something. / One who estimates or sets the value of a thing; an appraiser. / (obsolete) One who contends for a prize; a prizefighter; a challenger.

simple past tense and past participle of platonize

(astronomy) A binary star in which the component stars are close together and can only be resolved via spectroscopy

Third-person singular simple present indicative form of get one's hands dirty