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diatomic

American  
[dahy-uh-tom-ik] / ˌdaɪ əˈtɒm ɪk /

adjective

Chemistry.
  1. having two atoms in the molecule.

  2. containing two replaceable atoms or groups; binary.


diatomic British  
/ ˌdaɪætəˈmɪsɪtɪ, ˌdaɪəˈtɒmɪk /

adjective

    1. containing two atoms

    2. containing two characteristic groups or atoms

      ethylene glycol is a diatomic alcohol

"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

Other Word Forms

Derived Forms

Etymology

Origin of diatomic

First recorded in 1865–70; di- 1 + atomic

Vocabulary lists containing diatomic

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.

"We have systemically addressed the challenges in electro-biomanufacturing by identifying the metabolic and biochemical limits of diatomic carbon use and have overcome these limits."

From Science Daily • Nov. 14, 2024

The halogens form diatomic molecules in which each atom is involved in only one bond.

From Textbooks • Feb. 14, 2019

Solid aluminum metal reacts with solid diatomic iodine to form solid Al2I6.

From Textbooks • Feb. 14, 2019

Because there are twice as many hydrogen atoms as oxygen atoms and both elements are diatomic, there is twice the volume of hydrogen produced at the cathode as there is oxygen produced at the anode.

From Textbooks • Feb. 14, 2019

All are diatomic, diamagnetic and positive; the corresponding group consists of sulphur, selenium and tellurium, also all diatomic and diamagnetic, but negative.

From Occult Chemistry Clairvoyant Observations on the Chemical Elements by Sinnett, A. P.

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