- 1The action or process of lengthening something: the bird’s tails become forked through elongation of their outer feathers [count noun]: an elongation of the crater in the impact directionMore example sentences
- Thus, the mechanical response in the adhesion geometry can be only partially estimated since adhesion induces strong elongations in the adhesive material.
- To ensure that stressing was proceeding as expected, the testing agency measured the tendon elongations and compared them to the calculated elongations.
- The lower maximum load used for calculation of graft elongations assured that values would be available for all specimens.
- 1.2The amount of extension of an object under stress, usually expressed as a percentage of the original length.More example sentences
- All structural metals have approximately the same ductility as measured by percentage elongation.
- The relative amounts of elongation and spread cannot be calculated theoretically but they have been determined experimentally for mild steel.
- Also ductility, as measured by percentage elongation, decreases.
- 2 Astronomy The angular separation of a planet from the sun or of a satellite from a planet, as seen by an observer: Mercury reaches greatest elongation on the 1st, when it will be 27 degrees west of the SunMore example sentences
- Furthermore, any resonance with the Earth is illusory in that Mercury is not well placed for observations except during its brief greatest elongations near its aphelion.
- The planet reaches greatest eastern elongation, 23.5 degrees from the Sun, on the 3rd.
- On the 9th the planet is at greatest elongation from the Sun and sets around two hours after the Sun.
late Middle English: from late Latin elongatio(n-), from elongare 'place at a distance' (see elongate).
More definitions of elongationDefinition of elongation in:
- The US English dictionary