(informal) Disgusting part of the nature of something; facet or tendencies (of a thing, idea, etc) to produce a reaction of repugnance or distaste.

(mineralogy) A hexagonal-dihexagonal dipyramidal silver white mineral containing gold and tin.

(mineralogy) An orthorhombic-dipyramidal black mineral containing aluminum, boron, iron, magnesium, oxygen, and titanium.

plural of Yuchi

Any of a Native American tribe from the eastern Tennessee River valley, nowadays found mostly in northeastern Oklahoma.

The language isolate spoken by this tribe.

plural of yuck factor

(rare) Alternative form of yokel

plural of yucca moth

Tegeticula yuccasella, a prodoxid moth whose larvae feed on yucca.