–noun

1.	something that is owed or that one is bound to pay to or perform for another: a debt of $50.

2.	a liability or obligation to pay or render something: My debt to her for advice is not to be discharged easily.

3.	the condition of being under such an obligation: His gambling losses put him deeply in debt.

4.	Theology. an offense requiring reparation; a sin; a trespass.

–noun

1.	an act or instance of consolidating; the state of being consolidated; unification: consolidation of companies.

2.	solidification; strengthening: consolidation of 3e8 principles and beliefs.

3.	something that is or has been consolidated; a consolidated whole.

4.	Law. a. a statutory combination of two or more corporations. b. the union of two or more claims or actions at law for trial or appeal.

5.	(initial capital letter) a steam loc 5af omotive having a two-wheeled front truck, eight driving wheels, and no rear truck.

6.	Pathology. the process of becoming solid, as changing of lung tissue from aerated and elastic to firm in certain diseases.

7.	Geology. lithification.

–noun

1.	a person who calculates or computes.

2.	Also called calculating machine. a small electronic or mechanical device that performs calculations, requiring manual action for each individual opertion.

3.	a person who operates such a machine.

4.	a set of tables that facilitates calculation.