1813 D. Brewster in Philos. Trans. (Royal Soc.) 103 105 The explanation which has now been given of the polarising power of the agate should be confirmed.

1901 Dundee Advertiser 16 Jan. 4 The newspaper..renders possible the polarising of millions of men with one great idea.

1959 Times 30 Nov. 8/1 The polarizing of political sympathies round the Communist and anti-Communist extremes.

1993 Optical Engin. 32 1835 Optical functions such as polarizing, imaging, beam shaping, and beamsplitting.

2004 Pioneer Press (SE. Minnesota) (Nexis) 10 Feb. 11 a Such discussions are necessary because dangerous polarizing has already begun.

1814 D. Brewster in Philos. Trans. (Royal Soc.) 104 230 The relation between the quantities of reflected and transmitted light when the pencil is incident at the polarising angle.

1925 Proc. Royal Soc. A. 109 276 When light is incident from above at the polarising angle on the clean surface of a liquid, the light scattered upwards is most conspicuous in the plane of incidence.

1994 Amer. Jrnl. Physics 62 246 For simple orientations of the material a polarizing angle can be found, but the propagation vectors for the reflected and refracted light are not perpendicular at this angle of incidence.

1814 D. Brewster in Philos. Trans. (Royal Soc.) 104 207 When we examine the transmitted light.., either with the naked eye or with polarising crystals, no coloured fringes are visible.

1869 T. L. Phipson tr. A. Guillemin Sun (1870) 89 Polarising helioscopes have been manufactured..and have realised the ideas of the illustrious English astronomer.

1890 Athenæum 29 Mar. 407/3 The method of evaluating the absorption of different thicknesses by comparison with a polarizing photometer.

1954 Ann. Reg. 1953 382 True stereoscopic films were projected to a specially prepared screen through a system of lenses which made it unnecessary for the viewer to wear polarizing spectacles.

1992 Fly Rod & Reel Jan. 34/4 A tube of superglue has oozed over the lenses of your new $200 polarizing sunglasses.

1833 Abstr. Papers Royal Soc. 1815–30 2 344 The observations made by the author at Port Bowen in 1825, on the diurnal changes of magnetic intensity taking place in the dipping- and horizontal-needles, appeared to indicate a rotatory motion of the polarizing axis of the earth.

1866 R. M. Ferguson Electricity 131 Instead of one polarising force, there are several, all acting in the same direction.

1958 Electronic Engin. 30 678 The application of a polarizing field will switch the ferro~electric to one or other of its stable states.

1988 V. Capel Audio & Hi-Fi Engineer's Pocket Bk. 38 Convenience rating is poor owing to the need for polarising voltage and power for the pre-amp.

1990 Music Technol. Apr. 80/2 The polarising signal is then modulated by an analogue signal in the audio range.

1939 K. Henney & B. Dudley Handbk. Photogr. x. 306 With cameras having ground-glass screens, the polarizing filter is placed over the lens and rotated about its own axis until the desired effect is obtained.

1964 Science 4 Dec. 1220/1 (advt.) Science Treasure Chest—Extra-powerful magnets, polarizing filters, compass,..and lots of other items for hundreds of thrilling experiments.

1998 Shutterbug's Outdoor & Nature Photogr. Fall 10/3 Polarizing filters eliminate the glare on water.

1837 Abstr. Papers Royal Soc. 1830–37 3 456 The plumose crystals of boracic acid, when crystallized from a solution of borax in phosphoric acid..present very beautiful appearances when viewed with the polarizing microscope.

1946 F. Schneider Qualitative Org. Microanalysis ii. 22 The polarizing microscope offers a further possibility for establishing the purity of the sample.

1991 S. Bowman Sci. & Past (BNC) 100 At this thickness most rock-forming silicate minerals are translucent and the thin section can be viewed in transmitted light using a polarizing microscope.