برق
برق (bargh) is a high-frequency Arabic loanword (root b-r-q) covering electricity, lightning, and electric light. One of the first words any Farsi learner needs in modern life.
Glossary
مغناطیس
مغناطیس (moghnâtis) means magnet or magnetism. The word traces back to Greek Magnesia but entered Persian through Arabic, and is used in physics from middle school onward.
سرمای مطلق
سرمای مطلق (sarmâ-ye motlagh) means absolute zero, the lowest theoretical temperature possible (-273.15 C). It combines the native Persian word سرما (cold) with the Arabic borrowing مطلق (absolute).
فشار
فشار (feshâr) means pressure, stress, or a pushing force. It is a native Persian word related to the verb فشردن (to press or squeeze) and is used in physics, medicine, and everyday life.
اوزون
اوزون (ozun) is the Persian word for ozone, the gas that forms the protective layer in Earth’s atmosphere. It entered Persian via French from Greek “ozein,” meaning to smell.
جاذبه
جاذبه (jâzebe) means gravity, gravitational pull, or attraction. It comes from the Arabic root j-dh-b meaning to draw or attract, and is used in both scientific and everyday Persian.
نجوم
نجوم (nojum) is the Persian word for astronomy, borrowed from Arabic nujum, the plural of najm meaning star. It is a formal term for the scientific study of celestial bodies and the universe.
بیولوژی
بیولوژی (biyolozhi) is the Persian word for biology, borrowed from French biologie. It is the scientific study of living organisms, covering everything from cells to ecosystems.
فیزیک
فیزیک (fizik) is the Persian word for physics, borrowed from French physique which itself comes from Greek physika. It is the study of matter, energy, force, and the fundamental laws of nature.
شیمی
شیمی (shimi) is the Persian word for chemistry, borrowed from French chimie. It names the scientific study of substances, their properties, and their reactions, taught in Iranian schools from middle grade onward.