Word · Frequency #15238
caustic
腐蚀剂；苛性物质；烧灼剂
核心释义
A chemical substance that burns or destroys living tissue.
- 1.
通过化学作用烧伤、腐蚀或破坏有机组织的物质或方法
Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.
- 2.
任何能烧灼或破坏活组织的化学物质
any chemical substance that burns or destroys living tissue
- 3.
给定表面或物体的反射或折射光线的包络线
The envelope of reflected or refracted rays of light for a given surface or object.
- 4.
给定曲线的反射或折射光线的包络线
The envelope of reflected or refracted rays for a given curve.
焦散线；焦散面；通过化学作用烧伤、腐蚀或破坏有机组织的物质或方法；任何能烧灼或破坏活组织的化学物质；给定表面或物体的反射或折射光线的包络线；给定曲线的反射或折射光线的包络线
用法In use
The lab technician carefully handled the caustic to avoid any spills.
用法提示：此处caustic作为名词，指腐蚀性化学物质。
Caustics are often used in industrial cleaning processes.
用法提示：复数形式caustics表示多种腐蚀剂。
The factory stored caustics in sealed containers to prevent accidents.
用法提示：caustics作为名词复数，指腐蚀性物质。
a/an + caustic
caustic 作为可数名词，表示一种腐蚀性物质。
A caustic can cause severe burns.
腐蚀剂会导致严重烧伤。
the + caustic
The caustic was stored safely.
相关词与表达Connections
搭配Collocations
- caustic soda
- 苛性钠
- Caustic soda is used in many industrial processes.苛性钠用于许多工业过程。
- caustic solution
- 腐蚀性溶液
- Handle the caustic solution with extreme care.小心处理腐蚀性溶液。
- caustic chemical
- 腐蚀性化学品
- Spills of caustic chemicals must be neutralized immediately.腐蚀性化学品的泄漏必须立即中和。
- caustic burn
- 腐蚀性灼伤
- He suffered a caustic burn from the acid.他因酸液遭受了腐蚀性灼伤。
- caustic agent
- 腐蚀剂
学习提示Learner notes
记忆技巧Memory Tip
Caustic 谐音'烤死踢克'，腐蚀剂像火烤一样灼伤组织。
语境与语域Context & Register
语域：mixed 常见场景：化学实验室、工业清洗、材料科学 作为名词时指腐蚀剂，多见于化学、工业等专业领域，属于技术性用法。
语法说明Grammar Note
常指强碱或强酸类腐蚀剂，可数名词，复数形式为caustics。
发音与拼写Pronunciation & Spelling
Words like 'plastic', 'drastic', and 'elastic' share the '-stic' ending and rhyme with 'caustic'.
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.