Προχωρημένο Λεξιλόγιο για το TOEFL - Μηχανική και Ηλεκτρονική
Εδώ θα μάθετε μερικές αγγλικές λέξεις σχετικές με τη μηχανική και την ηλεκτρονική, όπως "τρανζίστορ", "ηλεκτρόδιο", "τάση", κ.λπ., που απαιτούνται για τις εξετάσεις TOEFL.
Ανασκόπηση
Κάρτες
Ορθογραφία
Κουίζ
a field of study that deals with the building, designing, developing, etc. of structures, bridges, or machines
μηχανική
the branch of physics and electrical engineering that focuses on designing circuits that use transistors and microchips
ηλεκτρονική
a small semiconductor device, used in television and radio sets, able to amplify or rectify an electric current
τρανζίστορ, τρανζίστορ
a solid substance that conducts electricity or heat better than insulators, but not as well as most metals
ημιαγωγός, semiconductor
a thin board on which the circuits are printed
πλακέτα κυκλώματος, τυπωμένο κύκλωμα
a failure in a circuit caused when the electricity flows in the wrong route due to wire damage or fault in the connections of wires
βραχυκύκλωμα, βραχύ
a conductor through which electricity travels to or from an object, such as batteries
ηλεκτρόδιο, ηλεκτρικός αγωγός
total potential energy provided by a power source
τάση, βολτάζ
an electric device that is used to increase or decrease the voltage of an alternating current
μετασχηματιστής, μετατροπέας τάσης
a piece of electronic equipment used for sending electromagnetic waves carrying radio or television signals
πομπός, εκπομπός
an electric device that is used to accumulate electric charge
πυκνωτής, χωρητικότητα
to allow heat or electricity be transmitted
αγωγιμότητα, μεταδίδω
to firmly attach or tighten something using a turning metal fastener
βιδώνω, σφίγγω
a piece of metal like a thick nail without a point that used to secure assembled parts by passing through holes and tightening with a nut
μπουλόνι, βίδα
a flat piece of metal with a hole in the middle through which a bolt is put to secure or fasten objects together
παξιμάδι, βίδα
a wheel with a set of square or triangular teeth sticking out around the edge that fits into the edge of a similar wheel, causing both wheels to turn
γρανάζι, οδοντοτροχός
an electronic device with two terminals, typically allowing the flow of current in one direction only
δίοδος, ηλεκτρονικό στοιχείο με δύο ακροδέκτες
an electrical device that is used to stop or control the flow of current in a circuit in case it is too strong
ασφάλεια, πυξίδα
a machine that produces electricity by converting mechanical energy into electrical energy
γεννήτρια, εναλλάκτης
a device that allows movement between mechanical parts of a machine or converts backward and forward motion into circular movement
μανιβέλα, στροφαλοφόρος άξονας
a metal bar in an engine that enables movement and power to be transmitted from one part to another
άξονας, στροφαλοφόρος άξονας
an instrument that automatically controls the temperature of a room, machine, etc.
θερμοστάτης
a device that allows steam, liquid, etc. to escape a machine, if the pressure inside the machine becomes too high
βαλβίδα ασφαλείας, βαλβίδα εκτόνωσης
an area of technology that is concerned with the study or use of robots
ρομποτική, επιστήμη των ρομπότ
an electronic device that uses a small electrical current to control a larger current, acting like an automatic switch
ρελέ, αυτόματος διακόπτης
a piece of equipment for generating oscillating electric currents or voltages by non-mechanical means
ταλαντωτής, γεννήτρια ταλαντώσεων
a substance that doesn't conduct heat, sound, etc.
μονωτικό, απομονωτής
a device that converts the energy of the sun into electricity
ηλιακό κύτταρο, φωτοβολταϊκό κύτταρο
the rotating part of a machine that revolves around a stationary part
ροτόρ, περιστρεφόμενο μέρος
to replace or install new electrical wiring in something, like a building or a machine
επανακαλωδιώνω, εγκαθιστώ νέα ηλεκτρική καλωδίωση
an electric current that reverses direction periodically, typically used in power distribution systems due to its efficiency in long-distance transmission
εναλλασσόμενο ρεύμα, AC
