Webster's Revised Unabridged Dictionary · 1913

Quantum

Quantum , noun

[Latin, neuter of quantus how great, how much. See Quantity,]

1.
Quantity; amount.
Without authenticating... the quantum of the charges. — Burke
2.
(Mathematics) A definite portion of a manifoldness, limited by a mark or by a boundary. — W. K. Clifford
Collocations (3)
\'d8Quantum meruit (Law) , a count in an action grounded on a promise that the defendant would pay to the plaintiff for his service as much as he should deserve.
\'d8Quantum sufficit or Quantum suff. (Medicine) , a sufficient quantity; -- abbreviated q. s. in pharmacy.
\'d8Quantum valebat (Law) , a count in an action to recover of the defendant, for goods sold, as much as they were worth. — Blackstone