nonmandatory, nonobligatory
(adjective) not required by rule or law
Source: WordNet® 3.1
nonmandatory (comparative more nonmandatory, superlative most nonmandatory)
Not mandatory.
Source: Wiktionary
21 January 2025
(verb) follow, discover, or ascertain the course of development of something; “We must follow closely the economic development is Cuba”; “trace the student’s progress”; “trace one’s ancestry”
The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.
