লক্ষ্য করুন: এই এন্ট্রির অনুবাদ বর্তমানে মান পর্যালোচনার অধীনে রয়েছে, তাই কিছু বিষয়বস্তু সাময়িকভাবে শুধুমাত্র ইংরেজিতে প্রদর্শিত হচ্ছে।
এই এন্ট্রিটি এখনও আপনার ভাষায় অনুবাদ করা হয়নি, তাই নিচে মূল লেখাটি দেখানো হচ্ছে।
refractor
This term describes a specific mechanism of light manipulation based on refraction, where light passes through a medium of different density to change direction. In astronomy, it specifically identifies telescopes that utilize a glass lens as the primary objective, distinguishing them from reflectors which use mirrors. This creates a distinct visual profile characterized by long tubes and high-contrast images.
In technical or laboratory settings, the term extends to any component designed to steer electromagnetic waves. It carries a connotation of precision and optical engineering, typically appearing in scientific discourse rather than casual conversation.
Meanings
Examples
The astronomer preferred a refractor for observing the moon and planets.
I should buy a small refractor for my first telescope.
A refractor uses a large objective lens to gather light.
Galileo used a simple refractor to discover the moons of Jupiter.
The high quality of the glass in this refractor minimizes color fringing.
We need a specialized refractor to bend the laser beam at this angle.
The lab technician adjusted the refractor to align the light path.