prefix
Chemistry prefix used in compound terms to indicate a dilute solution, e.g., 希塩酸 (dilute hydrochloric acid).
See also: 希塩酸
希塩酸は実験でよく使われる。
Dilute hydrochloric acid is often used in experiments.
prefix
Prefix meaning 'rare' or 'uncommon', used in words like 希元素 (rare element). The kanji 稀 is also used for this sense.
See also: 希元素
希元素は産業にとって重要だ。
Rare elements are important for industry.
noun
Greece
Only when written 希
Abbreviation for 希臘 (Greece), used in compounds like 希語 (Greek language). Restricted to the kanji 希.
See also: 希臘 (ギリシャ)
「希」はギリシャを表す略字として使われることがある。
The character 希 is sometimes used as an abbreviation for Greece.
A standalone adjective meaning 'rare', while 希 (き) is a prefix used in compounds.
The kanji 希 originally means 'hope' or 'rare'. Its use as a prefix for 'dilute' in chemistry and as an abbreviation for Greece is derived from its phonetic and semantic roles in compound words.