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dextro

1 American  
[dek-stroh] / ˈdɛk stroʊ /

adjective

Optics.
  1. dextrorotatory.


dextro- 2 American  
  1. a combining form meaning “right,” used in the formation of compound words.

    dextrorotatatory.

  2. Chemistry. a combining form meaning “turning clockwise”.

    dextroglucose.


dextro- 1 British  

combining form

  1. on or towards the right

    dextrorotation

  2. (in chemistry) indicating a dextrorotatory compound

    dextroglucose

"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

dextro 2 British  
/ ˈdɛkstrəʊ /

adjective

  1. short for dextrorotatory See dextrorotatory

"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

Etymology

Origin of dextro1

By shortening

Origin of dextro-2

< Latin dextr-, stem of dexter right-hand + -o-, on the model of retro-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Energetic oxidation gives erythritic acid and mesotartaric acid. i-Erythrite and the racemic mixture of the dextro and laevo varieties were synthesized by Griner in 1893 from divinyl.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various

Hence, it may exist in dextro, levo, and racemic forms.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred

In the amygdalin molecule, it exists in the dextro form, which has been named "prunasin."

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred

They're called d- and l-isomers—d for dextro, l for levo; right and left, you see.

From A Feast of Demons by Samachson, Joseph

Next find the subject of premebant: obviously no word from a dextro to aciem can be the subject; it is implied in premebant—i.e. they, which as context shows = Germani.

From Helps to Latin Translation at Sight by Luce, Edmund

Its specific gravity at 15° C. is 0.862-0.868; the oil is frequently slightly dextro- or lævo-rotatory; the refractive index at 20° C., 1.470-1.478.

From The Handbook of Soap Manufacture by Simmons, W. H.

Quinidine, C20H24N2O2, is isomeric with quinine, from which it differs in crystallizing in prisms instead of needles, in being dextro- and not laevo-rotatory, and in being insoluble in ammonia except in much excess.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various

What I am getting at now is that some substances with the same chemical formula rotate polarized light to the right, are dextro- rotary, as, for instance, what is known as dextrose.

From The Treasure-Train by Reeve, Arthur B. (Arthur Benjamin)

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