short form

Noun

(phonetics) A word with the same meaning as another formed by removing one or more of the syllables of the longer word, and considered a word in its own right rather than an abbreviation.

Japanese Meaning

長い単語から一部の音節を省略して作られ、略語ではなく独立した単語として認識される短縮形

What is this buttons?

Google Translation / DeepL Translation

日常会話では、話者が長い語の音節を1つ以上落としてできた独立した語として短縮形を使うことがよくある。

Details

Sense（1）

(phonetics) A word with the same meaning as another formed by removing one or more of the syllables of the longer word, and considered a word in its own right rather than an abbreviation.