The halogens all form binary compounds with hydrogen, and these compounds are known as the hydrogen halides: hydrogen fluoride (HF), hydrogen chloride (HCl), hydrogen bromide (HBr), hydrogen iodide (HI), and hydrogen astatide (HAt).
finger stick. 1  the act of puncturing the tip of the finger to obtain a small sample of capillary blood. In some procedures the hand may be first immersed in warm water for 10 minutes to arterialize the capillary blood or give it characteristics similar to those of arterial blood.
Trigger finger is a condition in which one of your fingers gets stuck in a bent position. Your finger may bend or straighten with a snap â like a trigger being pulled and released. Trigger finger is also known as stenosing tenosynovitis (stuh-NO-sing ten-o-sin-o-VIE-tis).