Upside-down frown

This time we are looking on the crossword clue for: Upside-down frown.
it’s A 17 letters crossword puzzle definition. See the possibilities below.

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Possible Answers: GRIN, SMILE.

Last seen on: –USA Today Crossword – Apr 19 2021

Random information on the term “GRIN”:

Thrash metal, progressive metal, avant-garde metal

Grin is the fifth studio album by the Swiss thrash metal band Coroner, the band’s final album before their fourteen-year break up from 1996 to 2010 (although their compilation album, 1995’s Coroner featured several new tracks). The album is considered a major departure from Coroner’s early work, consisting of elements of groove metal and industrial metal, with much less emphasis on speed and technicality. Grin is the last Coroner album to feature drummer Marky Edelmann, who left the band in 2014.


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GRIN on Wikipedia

Random information on the term “SMILE”:

Smile is a computer data interchange format based on JSON. It can also be considered as a binary serialization of generic JSON data model, which means that tools that operate on JSON may be used with Smile as well, as long as proper encoder/decoder exists for tool to use. The name comes from first 2 bytes of the 4 byte header, which consist of Smiley “:)” followed by a linefeed: choice made to make it easier to recognize Smile-encoded data files using textual command-line tools.

Compared to JSON, Smile is both more compact and more efficient to process (both to read and write). Part of this is due to more efficient binary encoding (similar to BSON, CBOR and UBJSON), but an additional feature is optional use of back references for property names and values. Back referencing allows replacing of property names and/or short (64 bytes or less) String values with 1- or 2-byte reference ids.

Libraries known to support Smile include:

SMILE on Wikipedia