hydroximic acids

https://doi.org/10.1351/goldbook.H02912
Compounds derived from oxoacids $\ce{R_{k}E(=O)_{l}(OH)_{m}}$ ($l \neq 0$) by replacing $\ce{=O}$ by $\ce{=NOH}$ ($\ce{=NOR}$), as in carbohydroximic acids, $\ce{RC(OH)=NOH}$, and sulfonohydroximic acids, $\ce{RS(=O)(=NOH)OH}$.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1342 [Terms] [Paper]