Alk-

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The root alk- is used in organic chemistry to form classification names for classes of organic compounds which contain a carbon skeleton but no aromatic rings. It was extracted from the word alcohol by removing the -ol suffix. See e.g. alkyl, alkane.

[edit] Other organic chemical word components

-al -(CO)H (e.g. aldehyde) -ane -C-C- (e.g. alkane) -ase enzyme -ene -C=C- (e.g. alkene) -oate -COOx or -COO- (e.g. ester)

-oic acid -COOH (e.g. carboxylic acid) -ol -OH (e.g. alcohol) -one C=O (e.g. ketone) -ose sugar -yl radical

-yne -C≡C- (e.g. alkyne) alk- saturated hydrocarbon (e.g. alkane) ar- any aromatic compound aza- N instead of C thio- S (often instead of O)