in the process of becoming obsolete
Origin of obsolescentClassical Latin obsolescens
- Being in the process of passing out of use or usefulness; becoming obsolete.
- Biology Becoming reduced during the course of evolution; vestigial or nearly vestigial. Used of an organ or other part of an organism.
Origin of obsolescentLatin obsol&emacron;sc&emacron;ns, obsol&emacron;scent-, present participle of obsol&emacron;scere, to fall into disuse : ob-, away; see ob– + sol&emacron;re, to be accustomed to.
(comparative more obsolescent, superlative most obsolescent)
First attested circa 1780, from Latin obsolescentum.