reflectoscopen.

Brit.

/rᵻˈflɛktəskəʊp/, U.S.

/rəˈflɛktəˌskoʊp/,

/riˈflɛktəˌskoʊp/

Origin: Formed within English, by compounding. Etymons: reflect v., -o- connective, -scope comb. form.

Etymology: < reflect v. + -o- connective + -scope comb. form.

1. A device which projects an image of an object on to a screen by reflecting light from it. Now rare.

ΚΠ

1905 Boston Globe 2 Apr. 31/3 The reflectoscope, a new piece of apparatus which has been invented by Albert T. Thompson of Boston, promises to make radical changes in the manner of projecting illustrations upon a screen... The reflectoscope differs from the stereopticon in that it can be operated without the use of lantern slides.

1936 Amer. Jrnl. Psychol. 48 510 The puzzle may in its present size be shown to a class by means of a reflectoscope.

1955 Peabody Jrnl. Educ. 32 218 Each item in each test was..projected on a screen with a reflectoscope.

2. Chiefly Metallurgy. An instrument for investigating the internal structure of opaque objects by transmitting ultrasound into them and analysing its reflection.

ΘΚΠ

the world > matter > physics > science of sound > sound-waves > [noun] > reflection of > instrument using

reflectoscope1944

1944 Sun (Baltimore) 26 May 9/1 The invention, credited to Dr. Floyd A. Firestone, physicist and acoustics expert, is known as the ‘supersonic reflectoscope’... The machine can gauge thickness of metal when one side is inaccessible.

1952 H. Manley Non-destructive Testing iii. 18 The Sperry reflectoscope..claims to find sub-surface cracks, voids, ruptures, inclusions, piping, shrinkage cavities or flaking at depths up to 28 feet in iron, steel, aluminium, magnesium bronze or brass.

1964 I. Edler in D. Gordon Ultrasound as Diagnostic & Surg. Tool xiv. 124 The apparatus used for ultrasound-cardiography is an ultrasound reflectoscope.

2003 Engin. Fracture Mech. 70 2605 The delamination..was measured using C-scan images obtained by an ultrasonic reflectoscope.

This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022).

单词	reflectoscope
释义	reflectoscopen. Brit. /rᵻˈflɛktəskəʊp/, U.S. /rəˈflɛktəˌskoʊp/, /riˈflɛktəˌskoʊp/ Origin: Formed within English, by compounding. Etymons: reflect v., -o- connective, -scope comb. form. Etymology: < reflect v. + -o- connective + -scope comb. form. 1. A device which projects an image of an object on to a screen by reflecting light from it. Now rare. ΚΠ 1905 Boston Globe 2 Apr. 31/3 The reflectoscope, a new piece of apparatus which has been invented by Albert T. Thompson of Boston, promises to make radical changes in the manner of projecting illustrations upon a screen... The reflectoscope differs from the stereopticon in that it can be operated without the use of lantern slides. 1936 Amer. Jrnl. Psychol. 48 510 The puzzle may in its present size be shown to a class by means of a reflectoscope. 1955 Peabody Jrnl. Educ. 32 218 Each item in each test was..projected on a screen with a reflectoscope. 2. Chiefly Metallurgy. An instrument for investigating the internal structure of opaque objects by transmitting ultrasound into them and analysing its reflection. ΘΚΠ the world > matter > physics > science of sound > sound-waves > [noun] > reflection of > instrument using reflectoscope1944 1944 Sun (Baltimore) 26 May 9/1 The invention, credited to Dr. Floyd A. Firestone, physicist and acoustics expert, is known as the ‘supersonic reflectoscope’... The machine can gauge thickness of metal when one side is inaccessible. 1952 H. Manley Non-destructive Testing iii. 18 The Sperry reflectoscope..claims to find sub-surface cracks, voids, ruptures, inclusions, piping, shrinkage cavities or flaking at depths up to 28 feet in iron, steel, aluminium, magnesium bronze or brass. 1964 I. Edler in D. Gordon Ultrasound as Diagnostic & Surg. Tool xiv. 124 The apparatus used for ultrasound-cardiography is an ultrasound reflectoscope. 2003 Engin. Fracture Mech. 70 2605 The delamination..was measured using C-scan images obtained by an ultrasonic reflectoscope. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022). < n.1905
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