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单词 molecular formula
释义

molecular formula


noun Chemistry.

a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound.
Compare empirical formula, structural formula.

Origin of molecular formula

First recorded in 1900–05

Words nearby molecular formula

molecular cloud, molecular computing, molecular disease, molecular distillation, molecular film, molecular formula, molecular genetics, molecularity, molecular knife, molecular layer of cerebellar cortex, molecular medicine
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for molecular formula

molecular formula

noun

a chemical formula indicating the numbers and types of atoms in a moleculeH 2 SO 4 is the molecular formula of sulphuric acid Compare empirical formula, structural formula
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for molecular formula

molecular formula

n.

A chemical formula that shows the number and kinds of atoms in a molecule.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for molecular formula

molecular formula

A chemical formula that shows the total number and kinds of atoms in a molecule, but not their structural arrangement. For example, the molecular formula of aspirin is C9H8O4. Compare empirical formula structural formula.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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