HOOK n.
ved beak of a bird. -- Hook ladder, a ladder with hooks at the end by which it can be suspended, as from the top of a wall. -- Hook motion (Steam Engin.), a valve gear which is reversed by V hooks. -- Hook squid, any squid which has the arms furnished with hooks, instead of suckers, as in the genera Enoploteuthis an…
HOSPITAL n.
d cure, or for the refuge, of persons diseased in body or mind, or disabled, infirm, or dependent, and in which they are treated either at their own expense, or more often by charity in whole or in part; a tent, building, or other place where the sick or wounded of an army cared for. Hospital ship, a vessel fitted up f…
HYDROMETRIC; HYDROMETRICAL a.
Made by means of an hydrometer; as, hydrometric observations. Hydrometric pendulum, a species of hydrometer consisting of a hollow ball of ivory or metal suspended by a treated from the center of a graduated quadrant, and held in a stream to measure the velocity of the water by the inclination given to the thread; a ki…