There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
numismatics, numismatology, coin collecting, coin collection
(noun) the collection and study of money (and coins in particular)
Source: WordNet® 3.1
numismatics (uncountable)
The study of coins, tokens, medals and paper money
The study of coins
The collecting of coins, tokens, medals and paper money
The collecting of coins
• Although the more general senses are still in use in more specialized contexts, most who use the term are unaware that it can be used for the study or collection of anything but coins.
Source: Wiktionary
Nu`mis*mat"ics, n. Etym: [Cf. F. numismatique.]
Definition: The science of coins and medals.
Source: Webster’s Unabridged Dictionary 1913 Edition
10 June 2025
(noun) the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); “communications is his major field of study”
There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.