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17-letter words containing a, c, h, y

  • hyperchlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
  • hyperexcitability — an excessive reaction to stimuli.
  • hyperintellectual — appealing to or engaging the intellect: intellectual pursuits.
  • hypochlorous acid — a weak, unstable acid, HOCl, existing only in solution and in the form of its salts, used as a bleaching agent and disinfectant.
  • hypocholesteremia — an abnormally low amount of cholesterol in the blood.
  • hypochondriacally — In a hypochondriacal manner.
  • ichthyosarcotoxin — a term applied to any poison found in the flesh of poisonous fishes.
  • indecipherability — Quality of being indecipherable.
  • iontophoretically — By means of iontophoresis.
  • isopropyl alcohol — a colorless, flammable, water-soluble liquid, C 3 H 8 O, produced from propylene by the action of sulfuric acid and hydrolysis: used chiefly in the manufacture of antifreeze and rubbing alcohol and as a solvent.
  • joachim du bellay — Joachim [French zhaw-a-keem] /French ʒɔ aˈkim/ (Show IPA), Bellay, Joachim du.
  • laboratory school — a school maintained by a college or university for the training of student teachers.
  • law of trichotomy — the property that for natural numbers a and b , either a is less than b , a equals b , or a is greater than b .
  • lay it on (thick) — to exaggerate
  • lazy daisy stitch — an embroidery stitch consisting of a long chain stitch, usually used in making flower patterns
  • lexicographically — the writing, editing, or compiling of dictionaries.
  • lymphangiographic — Relating to lymphangiography.
  • machado y morales — Gerardo [he-rahr-th aw] /hɛˈrɑr ðɔ/ (Show IPA), 1871–1939, president of Cuba 1925–33.
  • malay archipelago — an extensive island group in the Indian and Pacific oceans, SE of Asia, including the Greater and Lesser Sunda Islands, the Moluccas, and the Philippines.
  • maraschino cherry — a cherry cooked in colored syrup and flavored with maraschino, used to garnish desserts, cocktails, etc.
  • massachusetts bay — an inlet of the Atlantic, off the E coast of Massachusetts.
  • metabolic pathway — biochemistry: sequence of reactions within a cell or organism
  • methyl isocyanate — Chemistry. a highly toxic, flammable, colorless liquid, CH 3 NCO, used as an intermediate in the manufacture of pesticides: in 1984, the accidental release of a cloud of this gas in Bhopal, India, killed more than 1700 people and injured over 200,000.
  • methyl salicylate — a colorless, water-soluble liquid, C 8 H 8 O 3 , produced synthetically or by maceration and subsequent distillation from birch or gaultheria: used chiefly in perfumery and flavoring, and in medicine as a counterirritant in external preparations.
  • methylacetic acid — propionic acid.
  • microphanerophyte — any shrub or tree having a height of 2 to 8 metres
  • monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
  • monochromatically — of or having one color.
  • monolith catalyst — A monolith catalyst is a type of catalyst whose surface is flat.
  • muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
  • mystical theology — the branch of theology dealing with mysticism and mystical experiences.
  • nephelometrically — By means of nephelometry.
  • neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
  • neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
  • northcountrywoman — a female native or inhabitant of the North of England
  • nuclear chemistry — the branch of chemistry concerned with nuclear reactions
  • oceanographically — In terms of oceanography.
  • organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
  • organic psychosis — a severe mental illness produced by damage to the brain, as a result of poisoning, alcoholism, disease, etc
  • oystershell scale — a scale insect, Lepidosaphes ulmi, having a scale shaped like the shell of an oyster, which infests various deciduous trees and shrubs.
  • palaeoarchaeology — the branch of archaeology concerned with the earliest fossil remains
  • paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
  • parachute payment — a payment made to alleviate hardship resulting from a sudden loss of income
  • parathyroidectomy — the excision of a parathyroid gland.
  • pay-cable channel — a television channel that has to be paid for
  • personality clash — friction between two people who have different personalities or points of view
  • phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
  • pharmacologically — the science dealing with the preparation, uses, and especially the effects of drugs.
  • phenethyl alcohol — a colorless, viscous, slightly water-soluble liquid, C 8 H 1 0 O, having a faint roselike odor: used chiefly in perfumery.
  • phenyl isocyanate — a liquid reagent, C 7 H 5 NO, having an unpleasant, irritating odor: used chiefly for identifying alcohols and amines.
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