gelation
gelation — 名詞
1. the chemical or physical process in which a liquid mixture of tiny particles (ca
凝膠化
溶膠轉變為凝膠的過程
the chemical or physical process in which a liquid mixture of tiny particles (called a sol) changes into a soft, jelly-like material (called a gel)
The gelation of the dessert began moments after Yuki stirred in the gelatin powder.
Yuki 攪入吉利丁粉後不久，甜點便開始凝膠化。
everyday example: gelation of dessert with gelatin
Fatima watched the clear sol turn into a thick gel during gelation.
Fatima 在凝膠化過程中觀察到清澈的溶膠變成濃稠凝膠。
sol → gel transition observed in laboratory setting
Dr. Chen watched the temperature gauge closely during gelation of the contact lens material.
陳博士在隱形眼鏡材料凝膠化過程中仔細觀察溫度計。
Roya mixed fruit juice with sugar and pectin, then watched gelation turn the liquid into thick jam.
Roya 將果汁、糖和果膠混合，觀察凝膠化把液體變成濃稠的果醬。
The gelation point is when the liquid mixture suddenly becomes semi-solid and stops flowing.
凝膠化點是液體混合物突然變成半固體並停止流動的時刻。
- gelling
a less formal synonym; gelation is the standard technical noun
- gelification
a rarer technical synonym, mostly used in chemistry
- solidification
broader term — gelation produces a semi-solid, not a fully hard solid
- liquefaction
the process of turning a gel back into a liquid
- melting
the change from gel to liquid by heating
用法筆記
The primary modern sense of gelation. Widely used in chemistry, food science, cosmetics manufacturing, and materials engineering. The verb form is gel (or sometimes gelate). The opposite process — turning a gel back into a sol — is called liquefaction or melting.
常見錯誤
2. the process by which a liquid becomes solid as a result of extreme cold
凝固
液體因低溫變成固體
the process by which a liquid becomes solid as a result of extreme cold
The gelation of the pond happened overnight when the temperature fell to minus twelve degrees.
氣溫降到零下十二度時，池塘在一夜之間凝固了。
collocation: gelation of [water body] for freezing
Farmers checked whether gelation had occurred in their water pipes after three days of below-zero weather.
農民在連續三天零度以下的天氣後檢查水管中的水是否已凝固。
collocation: gelation of water pipes after freezing
The gelation temperature of the coolant was measured at minus forty degrees in the cryogenics lab.
在低溫實驗室中，冷卻劑的凝固溫度是在零下四十度測量到的。
The freezer manual warned that gelation of the compressor oil at sub-zero temperatures could damage the unit.
冰箱說明書警告，壓縮機油在零度以下可能凝固而損壞機器。
- freezing
the everyday word for liquid becoming solid from cold; gelation is far rarer
- solidification
broader term covering any liquid-to-solid change, not just from cold
- congelation
a now-rare formal synonym for freezing, similar in register to gelation
用法筆記
Rare in modern English for the freezing meaning; most speakers use freezing or solidification instead. You will most often find gelation in older scientific writing or in formal descriptions of cryogenic processes.