different between optional vs selectable

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

English

Etymology

From select +? -able.

Pronunciation

• (UK) IPA^(key): /s??l?kt?bl?/
• (US) IPA^(key): /s??l?kt?bl?/
• Hyphenation: se?lec?ta?ble

Adjective

selectable (comparative more selectable, superlative most selectable)

1. Capable of being selected

Synonyms

• choosable

Antonyms

• unselectable

Translations

Noun

selectable (plural selectables)

1. (graphical user interface) An item that can be selected by the user.

Anagrams

• electables