Pronunciation: /æˈbleɪtər/
noun A material used to absorb energy from a moving object, especially in spacecraft during reentry into the atmosphere.
A1 An ablator is a material that is used to protect spacecraft from the heat of re-entry.
A2 During re-entry, the ablator on the heat shield absorbs and dissipates the intense heat.
B1 The ablator coating on the spacecraft's heat shield is designed to erode away gradually during re-entry.
B2 NASA engineers are constantly researching new ablator materials to improve spacecraft re-entry safety.
C1 The ablator must be carefully tested and validated to ensure it can withstand the extreme temperatures of re-entry.
C2 The ablator's composition and thickness are critical factors in determining its effectiveness in protecting the spacecraft during re-entry.
formal The spacecraft's heat shield is designed to act as an ablator, protecting it from the intense heat of reentry.
informal The ablator on the rocket helps prevent it from getting too hot during launch.
slang Make sure the ablator is in good condition before takeoff, or we could be in trouble.
figurative In a stressful situation, she acted as an emotional ablator, shielding her friends from the negativity around them.
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