different between unfold vs unfolder

English

Pronunciation

• (Received Pronunciation) IPA^(key): /?n?f??ld/
• (General American) IPA^(key): /?n?fo?ld/
• Rhymes: -??ld

Etymology

From Middle English unfolden, from Old English unfealdan (“to unfold”), equivalent to un- +? fold.

Verb

unfold (third-person singular simple present unfolds, present participle unfolding, simple past and past participle unfolded)

1. To undo a folding.

   • Unfold thy forehead gathered into frowns.

2. (intransitive) To turn out; to happen; to develop.

   • Memento unfolds over 22 scenes—or, more accurately, 22 strands of time, the main strand (in color) moving backward in increments, and another strand (in black and white) going forward, though the two overlap profoundly.

3. (transitive) To reveal.

   • Pity me not, but lend thy serious hearing  To what I shall unfold.

4. To open (anything covered or closed); to lay open to view or contemplation; to bring out in all the details, or by successive development.

5. To release from a fold or pen.

Synonyms

• (to reveal): expose, uncover; see also Thesaurus:reveal

Antonyms

• fold

Translations

Noun

unfold (plural unfolds)

1. (computing, programming) In functional programming, a kind of higher-order function that is the opposite of a fold.

English

Etymology

unfold +? -er

Noun

unfolder (plural unfolders)

1. One who, or that which, unfolds.

Anagrams

• flounder