caust-, caus-, caut-, cauter-, cau- +
(Greek: fire, burn, burnt, burner; from kaustikos, "capable of burning" or "burning" and kaukstos, "combustible" and from kaiein, "to burn")
2 The process of destroying tissue with a cauterant: Dr.Thompson used the method of actual cautery to burn away the infected tissues with a hot iron.
2. A caustic curve formed by reflection of light.
Other associated changes due to causalgia include swelling, redness, sweating, and curling of the nails.
Causalgia is usually due to irritation of a nerve by injury. The median or sciatic nerves are most commonly involved.
Considered erroneously, “it is a happy presage when combustible objects don’t burn when thrown into the fire”. This was considered a good omen if something failed to burn or took a long time to catch on fire.
2. Pertaining to a strong and powerful acid which is able to eat away and destroy by chemical action: Because the cleaning agent was so caustic, Janet had to wear gloves to protect her hands.
3. A reference to harsh or corrosive verbal expressions or severely critical and very sarcastic speech that is intended to mock, to offend, or to belittle someone: After cleaning the hotel rooms, Jane received nothing but caustic and scathing remarks from the owner, saying that they were dirtier than before, after which she quit her job on the spot!
4. Conveying a burning or stinging sensation, as from an intense emotion: After being in the terrible car accident and seeing death before him, Don had a such a caustic fearfulness of such vehicles that he never put his foot into an automobile again!
5. Etymology: from Greek kaustikos, then from Latin causticus, from kaiein, kau-, "to burn"
Kaustos, "burnt", is the basis of the English words cauterize and caustic; literally of caustic lime, that which burns, and figuratively of caustic words that "burn" their recipients.
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Cross references of word groups that are related, directly, indirectly, or partly to: "fire, burn, glow, or ashes": ars-, ard-; -bust; cand-, cend-; crema-; ciner-; ether-; flagr-; flam-; focus, foci-; fulg-; gehenna-; ign-; phleg-; phlog-; pyreto-, -pyrexia; pyr-; spod- (ashes; waste); volcan-.