Word Meanings - HYDROTHECA - Book Publishers vocabulary database

One of the calicles which, in some Hydroidea , protect the hydrants. See Illust. of Hydroidea, and Campanularian. (more info) E. hydra + Gr.

Related words: (words related to HYDROTHECA)

• HYDRA
  A serpent or monster in the lake or marsh of Lerna, in the Peloponnesus, represented as having many heads, one of which, when cut off, was immediately succeeded by two others, unless the wound was cauterized. It was slain by Hercules.
• HYDRAULICON
  An ancient musical instrument played by the action of water; a water organ.
• HYDRANT
  A discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks; a water plug.
• HYDRARGYRUM
  Quicksilver; mercury.
• PROTECT
  To cover or shield from danger or injury; to defend; to guard; to preserve in safety; as, a father protects his children. The gods of Greece protect you! Shak. Syn. -- To guard; shield; preserve. See Defend.
• HYDRAULICS
  That branch of science, or of engineering, which treats of fluids in motion, especially of water, its action in rivers and canals, the works and machinery for conducting or raising it, its use as a prime mover, and the like. Note: As a science,
• PROTECTRESS; PROTECTRIX
  A woman who protects.
• ILLUSTROUS
  Without luster.
• ILLUSTRIOUS
  1. Possessing luster or brightness; brilliant; luminous; splendid. Quench the light; thine eyes are guides illustrious. Beau. & Fl. 2. Characterized by greatness, nobleness, etc.; eminent; conspicuous; distinguished. Illustrious earls, renowened
• PROTECTORIAL
  See PROTECTORAL
• WHICHEVER; WHICHSOEVER
  Whether one or another; whether one or the other; which; that one which; as, whichever road you take, it will lead you to town.
• HYDRATED
  Formed into a hydrate; combined with water.
• PROTECTORLESS
  Having no protector; unprotected.
• PROTECTIVE
  Affording protection; sheltering; defensive. " The favor of a protective Providence." Feltham. Protective coloring , coloring which serves for the concealment and preservation of a living organism. Cf. Mimicry. Wallace. -- Protective tariff ,
• ILLUSTRATIVELY
  By way of illustration or elucidation. Sir T. Browne.
• PROTECTIONIST
  One who favors protection. See Protection, 4.
• HYDRATION
  The act of becoming, or state of being, a hydrate. Water of hydration , water chemically combined with some substance to form a hydrate; -- distinguished from water of crystallization.
• ILLUSTRATIVE
  1. Tending or designed to illustrate, exemplify, or elucidate. 2. Making illustrious.
• HYDRASTINE
  An alkaloid, found in the rootstock of the golden seal , and extracted as a bitter, white, crystalline substance. It is used as a tonic and febrifuge.
• WHICH
  the root of hwa who + lic body; hence properly, of what sort or kind; akin to OS. hwilik which, OFries. hwelik, D. welk, G. welch, OHG. welih, hwelih, Icel. hvilikr, Dan. & Sw. hvilken, Goth. hwileiks, 1. Of what sort or kind; what; what a; who.
• STERHYDRAULIC
  Pertaining to, or designating, a kind of hydraulic press; resembling such a press in action or principle. Sterhydraulic press, an hydraulic press producing pressure or motion by the introduction of a solid substance into a cylinder previously filled
• DEHYDRATION
  The act or process of freeing from water; also, the condition of a body from which the water has been removed.
• CARBOHYDRATE
  One of a group of compounds including the sugars, starches, and gums, which contain six carbon atoms, united with a variable number of hydrogen and oxygen atoms, but with the two latter always in proportion as to form water; as dextrose,