gem

B1 · Intermediate Countable noun Informal

n. someone or something that is very helpful, valuable, or impressive.

n. a person or thing held in high esteem or regarded as exceptionally useful or beautiful.

“Our new assistant is a real gem; she finished all the work in half the time.”

“The small bookstore is a hidden gem, tucked away in a quiet alley where few tourists ever venture.”

C1 · Advanced Countable noun Computing Technical

n. a package of code or a library used in the Ruby programming language.

n. a standard format for distributing Ruby programs and libraries, managed by the RubyGems system.

“You need to install the latest gem to make the website work correctly.”

“The developer published a new gem to simplify the process of authenticating users across different platforms.”

C2 · Proficiency Literary

v. to decorate something with jewels or bright objects.

v. to adorn or embellish a surface with gems or jewel-like decorations.

“The morning dew gemmed the spider's web like tiny diamonds.”

“The poet described how the stars gemmed the velvet sky, creating a brilliant canopy over the sleeping city.”