hyperbola

n (geometry 几) curve produced when a cone is cut by a plane that makes a larger angle with the base than the side of the cone makes 双曲线. =>illus 见插图.

hydrogen, hydrogen bomb (also H-bomb), hydrogen peroxide, hydrometer, hydrophobia, hydroplane, hydroponics, hydrotherapy, hyena (also hyaena), hygiene, hygienic, hygienically, hymen, hymn, hymnal, hyp-, hypo-, hype, hyper-, hyperactive, hyperactivity, hyperbole, hyperbolic, hyperbolical, hypercritical, hypercritically, hypermarket, hypersensitive, hypersensitivity, hypertension, hyphen, hyphen, hyphenate, hyphenation, hypnosis, hypnotic, hypnotism, hypnotist, hypnotize, hypnotize, hypnotise, hypo, hypocenter,