from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A compound, such as calcium chloride monohydrate, CaCl2·H2O, that contains one molecule of water of hydration.

from The Century Dictionary.

  • noun In chem., a substance containing one molecule of water in a combined state: as, the monohydrate of sodium carbonate, Na2CO3.H2O, now an article of commerce under the trade-name ‘concentrated sal-soda.’

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry A hydrate whose solid contains a single molecule of water of crystallization per molecule, or per unit cell

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a hydrate that contains one molecule of water per molecule of the compound


Sorry, no etymologies found.


  • Sibutramine (trade name Meridia in the U.S. and Canada, Ectiva in South Africa, Reductil in Europe and most other countries), usually as sibutramine hydrochloride monohydrate, is an orally administered agent for the treatment of obesity, as an appetite suppressant.

    Song on the Brain (The Turkey and Stuffing Edition)

  • I'd like to have my Ephedra-based weight loss products back, and I'd like the FDA to STFU about whether creatine monohydrate should be treated like an anabolic steroid.

    What Do You Want to Be Free to Choose?, Bryan Caplan | EconLog | Library of Economics and Liberty

  • Dr McLeod focused on the nucleation and growth kinetics of alpha lactose monohydrate.

    Your Guess Is As Good As Mine

  • The primary nucleation of alpha lactose monohydrate was investigated, including identifying the changing relationship as lactose nucleation moves from being dominated by the heterogeneous mechanism to homogenous mechanism.

    Your Guess Is As Good As Mine

  • Today it produces both monohydrate and anhydrous forms of lactose at a fully cGMP compliant FDA registered drug establishment in the US.

    Medicinal Lactose: A View from the Inside

  • In this study, the combination of creatine monohydrate and conjugated linoleic acid did effectively augment the increase in lean mass associated with resistance exercise.

    Fitness News You Can Use

  • Although resistance exercise alone improved functional capacity and strength, greater improvement in endurance, strength and lean mass as well as lower fat mass, were observed in the creatine monohydrate and conjugated linoleic acid group.

    Fitness News You Can Use

  • A recent study assessed whether creatine monohydrate and conjugated linoleic acid would increase lean body mass, decrease fat mass, and increase strength when used in combination with resistance exercise in older adults.

    Fitness News You Can Use

  • One note here for older men past 60 -- recent research suggests that men past 60 need to supplement with creatine monohydrate in order to gain muscle mass.

    Avoiding Weight Gain as We Age

  • Thirty-nine men and women between the ages of 65 and 85 participated in 6 months of resistance training while supplementing with creatine monohydrate and conjugated linoleic acid.

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