(n.) The act or art of producing upon hard material incised or raised patterns, characters, lines, and the like; especially, the art of producing such lines, etc., in the surface of metal plates or blocks of wood. Engraving is used for the decoration of the surface itself; also, for producing an original, from which a pattern or design may be printed on paper.
(n.) That which is engraved; an engraved plate.
(n.) An impression from an engraved plate, block of wood, or other material; a print.
Example Sentences:
(1) From then on, different features were added over the years, including more use of colour, watermark portraits of the queen, highly detailed machine engravings, reflective foil patches and holographic strips.
(2) The authors devised a brain biopsy technique through only one burr hole under real time monitoring, using a small foot-print transducer, 12 mm in diameter, and a special trocar with engraved scales on its surface.
(3) "The National Gallery of Australia currently has more than 50 engravings related to this painting, and there exist many more.
(4) Photograph: islandersa1 flickr They were also instructed to engrave their possessions with special metallic pens, to clutch their bags with both hands, to hide any property they might have in their cars, and not even to trust their valuables to hotel vaults.
(5) It has been a battle fought out in the past few days on the wall of the former US embassy, where the “Death to America” slogans that had been there since the 1979 Islamic revolution were painted over this week – only to be replaced by a plaque engraved with anti-American slogans put up by ultra-conservative students.
(6) And a cameraman has just spotted that the engraver is now engraving Arsenal's name into the trophy: equally premature?
(7) He and Mitchell agreed on a limited edition of wood engravings based on the play, printed on handmade papers.
(8) The stone slabs engraved in the 19th century with the name of Cromwell and his relatives are usually covered by a blue carpet bearing the RAF crest.
(9) Guidance of the neuritic processes can be observed with small grooves engraved on quartz and plastic substrates, and simple shapes with few processes and bifurcations on each neurite could be obtained using adhesive microstructures.
(10) This nitrous oxide effect was present at all dial settings studied except the lowest engraved (0.25) concentration.
(11) The virtues of graft were drummed in by his parents, Nettie, a bookkeeper and Martin, an engraver – so successfully that at 17 Woody was earning more than them both combined , rattling out gags for comedians and columnists.
(12) It was safer just to go on living together, though they did have engraved gold wedding bands, and Eva still wears hers today.
(13) If he dies there, what should be engraved on his tombstone?
(14) On the back of the seat was a plaque engraved with "Much-loved aunt".
(15) The first one is a case history, the second one is more general discussion with a fine engraving added.
(16) Systemic information, together with genetic information engraved on macromolecules and matter described by physics and chemistry, represents the existential basis of life.
(17) The new techniques of mechanical reproduction of photographs in printing slowly but surely replaced the lithos and wood engravings.
(18) If a bot manages to fool two or more of the judges, it will win its creator a gold medal engraved with Turing's image, and $100,000 (£64,000).
(19) And then I engraved this very delicate and traditional life drawing on to it, in words, and now that's become part of it.
(20) Someone, one day, may have to own up to making a considerable dent in the silverware itself, just beneath the engraving "Chelsea Football Club 2012", though this was not the time to be talking of depressions of any kind.
Etching
Definition:
(p. pr. & vb. n.) of Etch
(n.) The act, art, or practice of engraving by means of acid which eats away lines or surfaces left unprotected in metal, glass, or the like. See Etch, v. t.
(v. t.) A design carried out by means of the above process; a pattern on metal, glass, etc., produced by etching.
(v. t.) An impression on paper, parchment, or other material, taken in ink from an etched plate.
Example Sentences:
(1) After permeabilization, with attendant partial extraction, the preparation can be fixed, then viewed by either deep-etch replication, or by high-resolution scanning electron microscopy, with structure of interest revealed in deep view.
(2) The freeze-etch technique was used to study the morphology of Treponema refringens (Nichols).
(3) A thorough dental prophylaxis before acid-etching of enamel is often recommended.
(4) The results of the rapid-freeze and deep-etch procedure showed that the ridges observed by the surface replica method consisted of linear arrangements of elliptical particles on the ES face of the plasma membrane.
(5) All the summer deals in graphical, Etch-a-sketch form .
(6) When either predictability or bond strength was considered independently, several bracket systems, coupled with a particular etch time, had either high predictability or high bond strength.
(7) This demineralization was similar to enamel acid etched with 50% phosphoric acid for 2 mn.
(8) This study evaluated the bond strength between glass ionomer cements and laser-etched dentin.
(9) Acid etching smooths and cleans the dentinal surface.
(10) Examination of apposed replicas and deep-etched specimens indicated that at least some of the IMPs extend through the T. pallidum outer membrane and are exposed on the surface of the organism.
(11) Isolated appressed chloroplast membranes, highly enriched in photosystem II (PSII) activity, were examined by freeze-etch electron microscopy.
(12) The technique of freeze-etching for electron microscopy applied to isolated islets of Langerhans has permitted a successful evaluation of emiocytotic events on the cell surface.
(13) The tensile bond strengths of the bonding resin to the etched enamel surfaces were not significantly different.
(14) The etched porcelain laminate veneer is a new conservative treatment that offers a solution to fractured, discolored, and worn anterior teeth.
(15) SEM and TEM examinations suggested that dentinal collagen exposed by the etching but not entangled and impregnated by poly (4-META-co-MMA) easily deteriorated by water during the longer immersion.
(16) The performance of a commercial double-propane-jet freezer (Balzers QFD 101) has been assessed, for rapid freezing of fresh tissues in freeze-etch work.
(17) The purpose of this in vitro study was to determine the tensile bond strengths (TBS) of several orthodontic bonding systems and orthodontic brackets to enamel surfaces exposed to different etching procedures.
(18) We find that freeze-drying is the most reliable and easy method for molecules that withstand distilled water; freeze-etching can be successfully applied to transmembrane proteins (even in the presence of detergents or salt); the glycerol-spray technique provides an excellent alternative to the cryotechniques in particular for studies of single linear molecules.
(19) After acid etching, filtration produced a 32-fold increase in permeation.
(20) On the corresponding PF face of the plasma membrane, linear arrangements of the intramembrane particles (IMPs) of about 8 nm in diameter were observed by both the deep-etch and freeze-fracture methods.