Of or being a newspaper page, usually opposite the editorial page, that features signed articles expressing personal viewpoints. / Of an article, written in a style suitable for publication as an o...

Third-person singular simple present indicative form of carbon-date

A substance, natural or man-made, which is intrinsically dangerous or otherwise poses a safety hazard. Examples are materials which are explosive, poisonous, chemically active (including acids and ...

Of or pertaining to trichloroacetic acid or its derivatives