different between optional vs optician

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

Borrowed from French opticien.

Noun

optician (plural opticians)

1. A person who makes or dispenses lenses, spectacles.
2. A person who sells lenses, spectacles etc.

Related terms

• ophthalmologist
• optometrist

Translations

Further reading

• optician on Wikipedia.Wikipedia

Anagrams

• cation-pi

Romanian

Etymology

From French opticien

Noun

optician m (plural opticieni)

1. optician

Declension