noble gas
Chemistry term for the group of inert gases such as helium, neon, argon, etc.
Helium is a type of noble gas.
I get the feeling that ...; I think that ...
Only when written 希ガス
Internet slang pun on 気がする; used humorously to express a hunch or impression. Restricted to the 希ガス spelling.
See also: 気がする
I have a feeling it will rain tomorrow.
noble gases; rare gases
Standard kanji spelling for the chemistry term; also used for the internet slang pun.
Alternate kanji spelling using 稀, which also means 'rare'; less common than 希ガス.
Rare spelling using 貴 ('noble'); not widely used.
From 希 (rare) + ガス (gas), a calque of 'noble gas' or 'rare gas'. The slang sense is a pun on 気がする.