Methylene Definition

mĕthə-lēn
noun
The divalent hydrocarbon radical CH2, normally existing only in combination.
Webster's New World
Synonyms:
  • methylene radical
  • methylene group

Other Word Forms of Methylene

Noun

Singular:
methylene
Plural:
methylenes

Origin of Methylene

  • French méthylène Greek methu wine medhu- in Indo-European roots Greek hūlē wood, substance

    From American Heritage Dictionary of the English Language, 5th Edition

  • French méthylène, from Ancient Greek μέθυ (methy, “wine") + ὕλη (hylÄ“, “wood").

    From Wiktionary

Methylene Sentence Examples

  • The true nitrile of malonic acid is methylene cyanide, CH 2 (CN) 2, which is obtained by distilling a mixture of cyanacetamide and phosphorus pentoxide.

  • A larger and more important series of condensations may be grouped together as resulting from the elimination of the elements of water between carbonyl (CO) and methylene (CH 2) groups.

  • Pyrrol is readily converted into pyridine derivatives by acting with bromoform, chloroform, or methylene iodide on its potassium salt, t3-brom-and O-chlorpyridine being obtained with the first two compounds, and pyridine itself with the last.

  • Conversely, by heating protocatechuic acid with potash and methylene iodide, piperonylic acid was regained.

  • These results show that piperonylic acid is the methylene ether of protocatechuic acid.

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Words Starting With

MMEMET

Words Ending With

ENEENE

Unscrambles

methylene

Words Starting With M and Ending With E

Starts With M & Ends With EStarts With ME & Ends With EStarts With M & Ends With NE

Word Length

9 Letter Words9 Letter Words Starting With M9 Letter Words Ending With E