TOEFL এর জন্য প্রয়োজনীয় শব্দভাণ্ডার - প্রকৌশল এবং গবেষণা

tools or machines that are designed for a specific purpose

যন্ত্র, অপараটাস

a device or tool that requires specific knowledge on how to be used

যন্ত্র, উপকরণ

a small piece of material that is a semiconductor, used to make an integrated circuit

মাইক্রোচিপ, চিপ

a piece of equipment by which the far objects, particularly those in space, are made clearly visible

টেলিস্কোপ

a long and thin piece of metal that carries an electric current

তলা, তারের

something such as a button or key that turns a machine, lamp, etc. on or off

সুইচ, কম্পন

a machine or device that detects any changes in the environment and sends the information to other electronic devices

সেন্সর, ডিটেক্টর

the complete circle through which an electric current flows, typically consists of the source of electric energy

বৈদ্যুতিক সার্কিট, চক্র

a small pointy piece of metal that can be fasten into wooden or metal objects using a screwdriver to hold things together

স্ক্রু, পেরেক

machines, especially large ones, considered collectively

যন্ত্রপাতি, মেশিন

(of an object) powered by machinery or an engine

যান্ত্রিক, যন্ত্রচালিত

a group of wires bundled together for transmitting electricity that is protected within a rubber case

কেবল

a very large tall machine used for lifting heavy objects

ক্রেন

the quantity that is possible by a machine, etc. to produce

ক্ষমতা, উৎপাদন ক্ষমতা

to check and fix something so it is becomes ready to be used

সেবা করা, মেরামত করা

an early or preliminary model of something from which other forms are developed or copied

প্রোটোটাইপ, প্রাথমিক মডেল

a flow of electricity resulted from the movement of electrically charged particles in a direction

কারেন্ট, বৈদ্যুতিক কারেন্ট

a device used for connecting two pieces of equipment that are not compatible with each other

অ্যাডাপ্টার, রূপান্তরকারী

to make a representation of something, especially one based on mathematics

মডেল করা, প্রতিনিধিত্ব করা

a place where people do scientific experiments, manufacture drugs, etc.

ল্যাবরেটরি

a small amount of a substance taken from a larger amount used for scientific analysis or therapeutic experiment

নমুনা, উদাহরণ

a specific way or process of doing something, particularly an established or systematic one

পদ্ধতি, প্রক্রিয়া

to direct or participate in the management, organization, or execution of something

চালানো, নির্দেশ দেওয়া

a judgment on the quantity and quality of something after careful consideration

মুল্যায়ন, মূল্যায়ন

relating to or involving scientific experiments, especially those designed to test hypotheses or explore new ideas

eksperimantal, eksperimantala

a piece of information discovered as a result of a research

উপলব্ধি, আবিষ্কার

an explanation based on limited facts and evidence that is not yet proved to be true

জল্পনা

someone on whom scientific experiments are tested

গিনি পিগ, পরীক্ষার জন্য বাছাই করা ব্যক্তি

to notice or discover something that is difficult to find

সনাক্ত করা, খুঁজে বের করা

to put people or things in different categories or groups

শ্রেণীবদ্ধ করা, বিভাগে রাখা

the act of finding something for the first time and before others

আবিষ্কার, বিবেচনা

a person whose job is to study ancient societies using facts, objects, buildings, etc. remaining in excavation sites

পণ্ডিত