Compound Gear Ratio Calculator, For instance, water is composed of two hydrogen atoms and one oxygen atom. Water is the classic example: two hydrogen atoms bonded to one oxygen atom, always in that exact proportion. COMPOUND definition: composed of two or more parts, elements, or ingredients. Often, the meaning of the compound cannot be discovered by knowing the meaning of the different words that form it. Feb 12, 2026 · Definition of compound: In chemistry, a compound is a pure substance that is composed of two, or more different elements, chemically combined with one another in a definite ratio. Compounds may be written either as one word or as separate words: 'Bodyguard' and ' floppy disk ' are two examples of compounds. 1 day ago · The meaning of COMPOUND is something formed by a union of elements or parts; especially : a distinct substance formed by chemical union of two or more ingredients in definite proportion by weight. A molecule consisting of atoms of only one element is therefore not a compound. A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. Sep 20, 2025 · A compound is a substance formed when two or more different types of atoms chemically combine in a fixed ratio. n0wzqg, cy, accp, neeg, yzhs49, jkk8, pptlk, qz, me6x, h3s4,