Vocabulary list of January theme Words Definitions Death Zone HACE High Altitude Cerebral Edema HAPE High Altitude Pulmonary Edema brain / cerebral lung / pulmonary summit peak dim sweep to cough excruciating to ascend “the roof of the world” to climb / climber to heed to die / death to usher a weather window storm uppermost shank cornice hypoxemia hypoxia “a straight, narrow part between other parts” collinsdictionary.com “An overhanging mass of hardened snow at the edge of a mountain precipice. ” - Oxford Language “refers to low oxygen levels in the blood” - www.healthline.com “refers to low level of oxygen in the tissues of the body” your words Your definitions