enols

https://doi.org/10.1351/goldbook.E02124
Alkenols; the term refers specifically to vinylic alcohols, which have the structure $\ce{HOCR'=CR2}$. Enols are tautomeric with aldehydes ($\ce{R'} = \ce{H}$) or ketones ($\ce{R'\!\neq H}$).
See also: phenols
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1334 [Terms] [Paper]