different between optionable vs optional

English

Etymology

option +? -able

Adjective

optionable (comparative more optionable, superlative most optionable)

1. (finance) Of or pertaining to options on a stock or equity. For some stocks, it is possible to trade options on them, hence they are optionable, for other stocks options aren't traded so they are not optionable.

English

Etymology

option +? -al

Adjective

optional (not comparable)

1. Not compulsory; left to personal choice; elective.

   Synonyms: facultative; see also Thesaurus:optional

   Antonyms: compulsory, mandatory, obligatory; see also Thesaurus:compulsory

Antonyms

• non-optional, nonoptional

Related terms

• option
• optionality
• optionally

Translations

Noun

optional (plural optionals)

1. Something that is not compulsory, especially part of an academic course.
2. (programming, sometimes capitalized) In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value.
   • 2015, Richard M Reese, Learning Java Functional Programming, Packt Publishing Ltd (?ISBN), page 147:

     In functional languages, there is a data type called the option type, also called the maybe type. Its purpose is to encapsulate a value, which is returned from a function. […] In Java 8, the Optional class has been added to serve as an option type.

Anagrams

• Politano

German

Pronunciation

• IPA^(key): /?pts??o?na?l/
• Hyphenation: op?ti?o?nal

Adjective

optional (not comparable)

1. optional

Declension

Further reading

• “optional” in Duden online

Italian

Etymology

Borrowed from English optional.

Noun

optional m (invariable)

1. optional accessory
2. handicap (horse racing)

Anagrams

• pilotano