n.
Pronunciation: ' es-t ə -m ə t
Function: noun
Date: 1552
1 : the act of appraising or valuing : CALCULATION
2 : an opinion or judgment of the nature, character, or quality of a person or thing <had a high estimate of his abilities>
3 a : a rough or approximate calculation b : a numerical value obtained from a statistical sample and assigned to a population parameter
4 : a statement of the cost of work to be done