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12-letter words containing op

  • ichthyophagy — the practice of eating or subsisting on fish.
  • iconophilism — a taste for pictures and symbols
  • iconophilist — a person with a taste for pictures and symbols
  • idiopathical — Alternative form of idiopathic.
  • imidacloprid — The insecticide 1-(6-chloro-3-pyridylmethyl)-N-nitroimidazolidin-2-ylideneamine used to control fleas in domestic pets.
  • improperness — Quality of being improper.
  • impropriator — A person to whom a benefice is granted as their property.
  • in operation — functioning, active
  • in-bond shop — a duty-free shop
  • inoperculate — having no operculum.
  • intercropped — Simple past tense and past participle of intercrop.
  • interoperate — (computing) To work reliably with another system.
  • ionophoresis — electrophoresis, esp of small ions
  • islamophobia — Alternative capitalization of Islamophobia.
  • isoperimeter — a figure whose perimeter is equal to that of another.
  • isoperimetry — the study of isoperimeters.
  • isoprenaline — a compound that is a derivative of adrenaline and that is used to treat asthma and bronchial conditions. Formula: C11H17NO3
  • isopropoxide — (chemistry) The univalent anion derived from isopropanol by removal of the hydroxy hydrogen atom; and salt containing this anion.
  • isoteniscope — an instrument used to measure vapour pressure
  • isotopically — With regard to isotopes.
  • isotopologue — (chemistry) any of a group of compounds only differing in their isotopic composition; for example water and heavy water.
  • jaw-dropping — Something that is jaw-dropping is extremely surprising, impressive, or shocking.
  • jeopardising — Present participle of jeopardise.
  • jeopardizing — Present participle of jeopardize.
  • jeopardously — with risk or peril
  • jk flip-flop — (hardware)   An edge triggered SR flip-flop with extra logic such that only one of the R and S inputs is enabled at any time. This prevents a race condition which can occur when both inputs of an RS flip-flop are active at the same time. In a JK flip-flop the R and S inputs are renamed J and K. The set input (J) is only enabled when the flip-flop is reset and K when it is set. If both J and K inputs are held active then the outputs will change ("togle") on each falling edge of the clock. JK flip-flops can be used to build a binary counter with a reset input.
  • kaleidophone — an instrument, invented by Professor Charles Wheatstone (1802-1875), consisting of a light on a vibrating rod with a reflecting knob for exhibiting the effect of sound waves
  • kaleidoscope — an optical instrument in which bits of glass, held loosely at the end of a rotating tube, are shown in continually changing symmetrical forms by reflection in two or more mirrors set at angles to each other.
  • keratoplasty — plastic surgery performed upon the cornea, especially a corneal transplantation.
  • keystone kop — Usually, Keystone Kops. (in early silent movies) a team of comic policemen noted for their slapstick routines.
  • kinesophobia — Fear of movement.
  • kinetoplasts — Plural form of kinetoplast.
  • kourotrophos — (archaeology) a class of Mycenaean terracotta figurines depicting women carrying children.
  • lactoprotein — any protein existing in milk.
  • lamellophone — (musical instruments) Any of several musical instruments in which the sound is produced by plucking a series of thin lamellaa attached to a sounding board.
  • lamprophyres — Plural form of lamprophyre.
  • lamprophyric — belonging or relating to a lamprophyre
  • laparoscopes — Plural form of laparoscope.
  • laparoscopic — a flexible fiberoptic instrument, passed through a small incision in the abdominal wall and equipped with biopsy forceps, an obturator, scissors or the like, with which to examine the abdominal cavity or perform minor surgery.
  • laryngophone — A type of contact microphone that absorbs vibrations directly from the wearer's throat.
  • laryngophony — the sound of the voice as heard through a stethoscope placed on the throat directly over the larynx
  • laryngoscope — a rigid or flexible endoscope passed through the mouth and equipped with a source of light and magnification, for examining and performing local diagnostic and surgical procedures on the larynx.
  • laryngoscopy — an examination by means of a laryngoscope.
  • leontopodium — any plant of the Eurasian alpine genus Leontopodium, esp L. alpinum
  • leopard frog — a common North American green frog, Rana pipiens, having white-edged, dark oval spots on its back.
  • leopard lily — a tall lily, Lilium pardalinum, of California, having drooping, orange-red flowers with purple speckles, a yellow base, and recurved petal tips.
  • leopard moth — a moth, Zeuzera pyrina, having white wings spotted with black and larvae that bore into the wood of various trees and shrubs.
  • leopard seal — a yellowish-gray, spotted seal, Hydrurga leptonyx, of the Antarctic.
  • leopardesses — Plural form of leopardess.
  • leopoldville — former name of Kinshasa.
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