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13-letter words containing op

  • couch-hopping — to stay overnight in someone’s else’s home while traveling: He couch-surfed at the houses of strangers and friends.
  • countrypeople — countryfolk.
  • cranioscopist — a practitioner of cranioscopy
  • crop rotation — the system of growing a sequence of different crops on the same ground so as to maintain or increase its fertility
  • crop spraying — the spraying of crops with insecticide, fungicide, etc
  • cybershopping — Shopping by means of computers or the Internet.
  • cycloparaffin — any of a series of saturated alicyclic hydrocarbons of the general formula CnH2n, having a closed chain of three or more carbon atoms, as cyclohexane
  • cyclostrophic — pertaining to atmospheric motion in which the centripetal acceleration exactly balances the horizontal pressure force.
  • cytopathology — a branch of pathology that examines individual cells in order to diagnose disease
  • cytopharynges — Plural form of cytopharynx.
  • deely boppers — hairband with two bobbing antennae-like attachments
  • deipnosophist — a person who is a master of dinner-table conversation
  • dendrophagous — feeding on the wood of trees, as certain insects.
  • dendrophilous — living in or on trees; arboreal.
  • deng xiaoping — 1904–97, Chinese Communist statesman; deputy prime minister (1973–76; 1977–80) and the dominant figure in the Chinese government from 1977 until his death. He was twice removed from office (1967–73, 1976–77) and rehabilitated. He introduced economic liberalization, but suppressed demands for political reform, most notably in 1989 when over 2500 demonstrators were killed by the military in Tiananmen Square in Beijing
  • dermatophytes — Plural form of dermatophyte.
  • dermatoplasty — any surgical operation on the skin, esp skin grafting
  • dermatotropic — (especially of viruses) in, attracted toward, or affecting the skin.
  • deuteroscopic — of or relating to deuteroscopy; of second sight
  • developmental — Developmental means relating to the development of someone or something.
  • diageotropism — a diatropic response of plant parts, such as rhizomes, to the stimulus of gravity
  • diaphototropy — the state of being diaphototropic, turning transversely to the light
  • dinitrophenol — any of the six isomers consisting of phenol where two hydrogen atoms are substituted by nitro groups, C 6 H 4 N 2 O 5 , used in dyes and wood preservatives, and in biochemistry to uncouple oxidative phosphorylation.
  • dipleidoscope — an instrument that uses a telescope and a hollow prism to see when the sun crosses the meridian
  • disproportion — lack of proportion; lack of proper relationship in size, number, etc.: architectural disproportions.
  • dock-walloper — a casual laborer about docks or wharves.
  • doppelgangers — Plural form of doppelganger.
  • doppler laser — a technique for measuring the shift in frequency between the source and reflected radiation of a laser.
  • doppler radar — a radar tracking system that determines the velocity of a moving object by measuring the Doppler shift of the frequency of a radar signal reflected by the object.
  • doppler shift — (often lowercase) the shift in frequency (Doppler shift) of acoustic or electromagnetic radiation emitted by a source moving relative to an observer as perceived by the observer: the shift is to higher frequencies when the source approaches and to lower frequencies when it recedes.
  • drag and drop — A common method for manipulating files (and sometimes text) under a graphical user interface or WIMP environment. The user moves the pointer over an icon representing a file and presses a mouse button. He holds the button down while moving the pointer (dragging the file) to another place, usually a directory viewer or an icon for some application program, and then releases the button (dropping the file). The meaning of this action can often be modified by holding certain keys on the keyboard at the same time. Some systems also use this technique for objects other than files, e.g. portions of text in a word processor. The biggest problem with drag and drop is does it mean "copy" or "move"? The answer to this question is not intuitively evident, and there is no consensus for which is the right answer. The same vendor even makes it move in some cases and copy in others. Not being sure whether an operation is copy or move will cause you to check very often, perhaps every time if you need to be certain. Mistakes can be costly. People make mistakes all the time with drag and drop. Human computer interaction studies show a higher failure rate for such operations, but also a higher "forgiveness rate" (users think "silly me") than failures with commands (users think "stupid machine"). Overall, drag and drop took some 40 times longer to do than single-key commands.
  • drop a stitch — to allow a loop of wool to fall off a knitting needle accidentally while knitting
  • drop shipment — a shipment of goods made directly from the manufacturer to the retailer or consumer but billed through the wholesaler or distributor.
  • drop the ball — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
  • drop-dead fee — a fee paid to an organization lending money to a company that is hoping to use it to finance a takeover bid. The fee is only paid if the bid fails and interest charges are only incurred if the money is needed
  • dropped waist — the waistline of a dress, gown, or the like when it is placed at the hips rather than at the natural waist.
  • dry ski slope — A dry ski slope is a slope made of an artificial substance on which you can practise skiing.
  • dryopithecine — (sometimes initial capital letter) an extinct ape of the genus Dryopithecus, known from Old World Miocene fossils.
  • dynamic scope — (language)   In a dynamically scoped language, e.g. most versions of Lisp, an identifier can be referred to, not only in the block where it is declared, but also in any function or procedure called from within that block, even if the called procedure is declared outside the block. This can be implemented as a simple stack of (identifier, value) pairs, accessed by searching down from the top of stack for the most recent instance of a given identifier. The opposite is lexical scope. A common implementation of dynamic scope is shallow binding.
  • e-proposition — a universal negative proposition
  • early adopter — a person who uses a new product or technology before it becomes widely known or used.
  • eavesdroppers — Plural form of eavesdropper.
  • eavesdropping — to listen secretly to a private conversation.
  • ecophysiology — the branch of physiology that deals with the physiological processes of organisms with respect to their environment.
  • ecopsychology — A form of psychology based on integration with the natural world rather than with society.
  • ectoparasites — Plural form of ectoparasite.
  • ectoparasitic — Of or pertaining to ectoparasites.
  • elastoplasted — Covered with Elastoplast.
  • electrooptics — the technology that deals with the production, control, and detection of light by electrical devices
  • electrophiles — Plural form of electrophile.
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