| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024hard•en•er (här′dn ər),USA pronunciation n. - a person or thing that hardens.
- a substance mixed with paint or other protective covering to make the finish harder or more durable.
- Photographya chemical used to raise the melting point of an emulsion.
Collins Concise English Dictionary © HarperCollins Publishers:: ˈhardener /ˈhɑːdənə/ n - a person or thing that hardens
- a substance added to paint or varnish to increase durability
- an ingredient of certain adhesives and synthetic resins that accelerates or promotes setting
hard•en /ˈhɑrdən/USA pronunciation v. - to (cause to) become hard or harder: [no object]The ice cream hardened in the freezer.[~ + object]The freezer will harden the ice cream.
- to (cause to) become pitiless, unfeeling, or less gentle and sympathetic: [no object]His heart hardened with anger.[~ + object]His cruel life had hardened his heart.
- to cause to become stronger;
toughen:[~ + object]Battle had hardened the troops.
hard•en•er, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024hard•en (här′dn),USA pronunciation v.t. - to make hard or harder:to harden steel.
- to make pitiless or unfeeling:to harden one's heart.
- to make rigid or unyielding;
stiffen:The rigors of poverty hardened his personality. - to strengthen or confirm, esp. with reference to character, intentions, feelings, etc.;
reinforce. - to make hardy, robust, or capable of endurance;
toughen. - Militaryto reinforce the structure of (a military or strategic installation) to protect it from nuclear bombardment.
v.i. - to become hard or harder.
- to become pitiless or unfeeling.
- to become rigid or unyielding;
stiffen:His personality hardened over the years. - to become confirmed or strengthened:His resistance hardened.
- to become inured or toughened:The troops hardened under constant fire.
- Business[Com.](of a market, prices, etc.)
- to cease to fluctuate;
firm:When the speculators withdrew from the market, the prices hardened. - to rise higher.
- 1150–1200; Middle English; see hard, -en1
- 1.See corresponding entry in Unabridged . solidify, indurate; petrify, ossify.
- 4.See corresponding entry in Unabridged . fortify, steel, brace, nerve.
- 1.See corresponding entry in Unabridged . soften.
- 4.See corresponding entry in Unabridged . weaken.
Har•den (här′dn),USA pronunciation n. - Biographical Sir Arthur, 1865–1940, English biochemist: Nobel prize 1929.
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