Definitions
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun Elinvar is a trademark for a kind of steel used for watch springs because its elasticity is constant over a wide range of temperatures
Etymologies
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Examples
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Guillaume's total compensating balance for high-grade watches and chronometers, which eliminates the secondary error, was perfected by an elinvar hair spring.
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a very low coefficient of expansion; elinvar, for which the thermoelastic coefficient is practically zero, i.e. Young's modulus constant, over a considerable temperature range; together with other useful alloys.
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