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deceleron

[ dee-sel-uh-ron ]
/ diˈsɛl əˌrɒn /
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noun Aeronautics.
an aileron that acts as a brake.
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of deceleron

Blend of decelerate and aileron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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