elongation

1. The act of lengthening. (countable, uncountable)
2. The state of being lengthened. (countable, uncountable)
3. That which lengthens out; a continuation. (countable, uncountable)
4. The ratio of the extension of a material to the length of the material prior to stretching. (countable, uncountable)
5. A removal to a distance; a withdrawal; a being at a distance; a distance. (countable, uncountable)
6. The angular distance of a planet from the sun. (countable, uncountable) · the elongation of Venus

Plural elongations