Pyroelectricity
1. Pyroelectricity : برقیائی فضیت : (Noun) Generation of an electric charge on certain crystals (such as tourmaline) as a result of a change in temperature.
Certain - یقینی - established beyond doubt or question; definitely known; "what is certain is that every effect must have a cause".
Change - کپڑے - a different or fresh set of clothes; "she brought a change in her overnight bag".
Charge, Commission, Mission - ذمہ داری - a special assignment that is given to a person or group; "a confidential mission to London".
Crystal, Lechatelierite, Quartz, Quartz Glass, Vitreous Silica - شفاف شیشہ - colorless glass made of almost pure silica.
Electric, Electrical - برقی قوت - using or providing or producing or transmitting or operated by electricity; "electric current".
Generation, Multiplication, Propagation - نسل بڑھانے کا عمل - the act of producing offspring or multiplying by such production.
Answer, Resolution, Result, Solution, Solvent - حل - a statement that solves a problem or explains how to solve the problem; "they were trying to find a peaceful solution".
Such - اتنا - of so extreme a degree or extent; "Don`t have such money".
Temperature - گرمی یا سردی کا درجہ - the degree of hotness or coldness of a body or environment (corresponding to its molecular activity).