nounπShareA plate protecting a fighting person's back."The knight's shining armor included a strong backplate to protect him from arrows. "militaryweaponwearbodyChat with AIVocabulary GamePractice Reading
nounπShare(underwater diving) A plate harnessed to a diver's back, to which the gas cylinders are attached."The diver secured the heavy gas cylinders to the backplate before entering the water. "nauticaltechnicalsportChat with AIVocabulary GamePractice Reading
nounπShareA metal plate on the rear of a computer's casing, used to cover a port or slot."The new video card came with a backplate to cover the unused ports on the computer. "computingelectronicstechnologymachinepartitemChat with AIVocabulary GamePractice Reading
nounπShareA wood or metal plate that serves as a backing for an object."The electrician screwed the light fixture onto the backplate that was already mounted to the wall. "materialpartstructurebuildingarchitecturetechnicalitemChat with AIVocabulary GamePractice Reading
nounπShareA rigid metal plate inside the brake drum, which supports the wheel cylinder, brake shoes, and other parts of a drum brake."The mechanic removed the brake drum to inspect the backplate for rust and damage. "vehiclemachineparttechnicalChat with AIVocabulary GamePractice Reading
nounπSharePart of a condenser microphone that sits behind the diaphragm and which acts, in conjunction with the diaphragm, as a sort of variable capacitor."The signal from the condenser microphone is generated by changes in capacitance between the diaphragm and the backplate when sound waves cause the diaphragm to vibrate. "technologyelectronicssounddevicepartmusicChat with AIVocabulary GamePractice Reading