| HEX | flagellates free-living or parasitic in intestines of birds |
|---|---|
| HEX | primitive sharks |
| HEX | a genus of Hexanchidae |
| HEX | large primitive shark widely distributed in warm seas |
| HEX | a colorless flammable liquid alkane derived from petroleum and used as a solvent |
| HEX | a carboxylic acid used in the manufacture of nylon |
| HEX | having six sides or divided into hexagons |
| HEX | a fatty acid found in animal oils and fats or made synthetically |
| HEX | insects |
| HEX | (usually used colloquially) causing or accompanied by misfortune |
| HEX | an abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance |
| HEX | estrogen compound used to treat menstrual irregularities and menopausal symptoms and to prevent pregnancy |