Captious

Today’s word of the day is captious, which is used to describe a nitpicker or a person apt to notice and make much of unimportant faults or defects, who is disposed to find fault or raise objections, who is prone to cavil, or who is difficult to please.

Vug

Today’s word of the day is vug (or vough), a small cavity in a rock or mineral vein, often with a lining of different composition from that of the surrounding rock. It’s a miners’ name for that which geologists more generally call a geode. A synonym is druse.