CAUSTIC Definition Meaning - Merriam-Webster Caustic was formed in Middle English as an adjective describing chemical substances, such as lime and lye, that are capable of destroying or eating away at something The word is based on the Latin adjective causticus, which itself comes ultimately from the Greek verb kaiein, meaning "to burn "
Caustic (optics) - Wikipedia The caustic is a curve or surface to which each of the light rays is tangent, defining a boundary of an envelope of rays as a curve of concentrated light [2] In some cases caustics can be seen as patches of light or their bright edges, shapes which often have cusp singularities
CAUSTIC definition and meaning | Collins English Dictionary A caustic remark is extremely critical, cruel, or bitter His abrasive wit and caustic comments were an interviewer's nightmare He was often caustic and mocking, or flew into rages She was caustically brilliant, yet totally loyal, unpretentious, human and tolerant Collins COBUILD Advanced Learner’s Dictionary
Acid vs. Caustic — What’s the Difference? Acids release hydrogen ions in solution, typically sour, while caustics, or bases, release hydroxide ions, often slippery and bitter Acids are substances that release hydrogen ions (H⁺) when dissolved in water, often associated with a sour taste and corrosive nature
caustic - Wiktionary, the free dictionary Capable of burning, corroding or destroying organic tissue "How now!" said Scrooge, caustic and cold as ever The Secretary and the Assistant-Secretaries would say little caustic things about him to the senior clerks, and seemed somewhat to begrudge him his new honours