Noun:

முப்பட்டைக் கண்ணாடி, பிரிசம்,

prisms தமிழ் அர்த்தத்தின் உதாரணம்:

நியூட்டன் நடைமுறைச் சாத்தியமான முதலாவது தெறிப்புத் தொலைநோக்கியை உருவாக்கியதுடன், முப்பட்டைக் கண்ணாடி வெள்ளொளியைப் பிரித்துப் பல நிற ஒளிகளைக் கொண்ட நிறமாலையாகத் தரும் கவனிப்பை அடிப்படையாகக்கொண்டு நிறக் கோட்பாடு ஒன்றையும் உருவாக்கினார்.

prisms's Usage Examples:

It forms quadratic prisms, having a violet reflex and insoluble in boiling hydrochloric acid.

It crystallizes in prisms which melt at 121° C.

Dimethyl-meta-aminophenol crystallizes in small prisms which melt at 87° C.

Liquid prisms, however, suffer from the fact that any change of temperature involves a change in the refractive index of the prism.

It forms hard white rhombic prisms (with 1H 2 0), which become anhydrous at 400 and melt with decomposition at 205°.

A pair of triangular prisms having a common face, or a stellate crystal formed by the symmetrical interpenetration of two triangular prisms admits of two internal reflections by faces inclined at 120°, and so give rise to two colourless images each at an angular distance of 120° from the sun.

It forms rhombic prisms or plates which melt at 25° and boil at 83°, and has a spiritous smell, resembling that of camphor.

A prism or a train of prisms.

In direct vision spectroscopes the refracting prisms and slit are in the observing telescope.

"These prisms may be combined with concave lenses, which correct the myopia, or, since a concave lens may be considered as composed of two prisms united at their apices, the same effect may be obtained by making the distance between the centres of the concave lenses greater than that between the centres of the pupils.

It crystallizes in prisms or leaflets which melt at 72-75°C.

It crystallizes in colourless prisms with one molecule of water, which redden on exposure.

These are employed in instruments of small power, especially when luminosity is a consideration; but their advantage in this respect is to a great extent lost, when, in order to secure increased resolving power, the size of the prisms, or their number, is unduly increased.

Synonyms:

prism spectroscope, optical device, optical prism, scope, biprism, erecting prism, telescope, spectroscope,

Antonyms:

None