different between clopen vs closen

English

Etymology

Blend of closed +? open.

Pronunciation

• Rhymes: -??p?n

Adjective

clopen (not comparable)

1. (topology, of a set in a topological space) Both open and closed.
   • 1999, S. J. Dilworth, On the extensibility of certain homeomorphisms and linear isometries, Krzysztof Jarosz (editor), Function Spaces: Proceedings of the Third Conference on Function Spaces, American Mathematical Society, Contemporary Mathematics, Volume 232, page 124,

     FACT 1. Disjoint closed subsets of ${\displaystyle \mathbb {N} ^{\mathbb {N} }}$ may be separated by disjoint clopen sets.

   • 2) Every algebra of clopen sets which separates the points of a totally disconnected compact space contains all clopen sets.

Noun

clopen (plural clopens)

1. A pair of work shifts in which a worker works a closing shift one day and then works an opening shift the next day, usually with a short amount of time between the two.

See also

• swing shift

Anagrams

• Coplen

English

Etymology

From close (adjective) +? -en.

Pronunciation

• (Received Pronunciation) enPR: kl??s?n, IPA^(key): /?kl??s?n/
• (General American) IPA^(key): /?klo?s?n/

Verb

closen (third-person singular simple present closens, present participle closening, simple past and past participle closened)

1. (transitive, intransitive) To make or become close.

Anagrams

• Clones, Colens, clones

Welsh

Pronunciation

• IPA^(key): /?kl?s?n/

Verb

closen

1. (colloquial) Alternative form of cloen

Mutation