a+certain+quantity+of
21unknown quantity — {n.} Someone or something whose value and importance are not known, especially in a certain situation, time or place; a new and untested person or thing. * /What we would find if we could fly to the moon is an unknown quantity./ * /The new player …
22Physical quantity — A physical quantity is a physical property that can be quantified. This means it can be measured and/or calculated and expressed in numbers. The value of a physical quantity Q is expressed as the product of a numerical value { Q } and a physical… …
23Exponential quantity — Exponential Ex po*nen tial, a. [Cf. F. exponentiel.] 1. Pertaining to exponents; involving variable exponents; as, an exponential expression; exponential calculus; an exponential function. [1913 Webster] 2. changing over time in an exponential… …
24Why are certain violins of more value than others? — In considering this question, several difficulties present themselves to the inquirer. We are all aware of the infinite diversity of tastes in the first instance, and in the next, accurate judgment is a matter which depends on the union of so… …
25Radical quantity — Radical Rad i*cal (r[a^]d [i^]*kal), a. [F., fr. L. radicalis having roots, fr. radix, icis, a root. See {Radix}.] 1. Of or pertaining to the root; proceeding directly from the root. [1913 Webster] 2. Hence: Of or pertaining to the root or… …
26Indeterminate quantity — Indeterminate In de*ter mi*nate, a. [L. indeterminatus.] Not determinate; not certain or fixed; indefinite; not precise; as, an indeterminate number of years. Paley. [1913 Webster] {Indeterminate analysis} (Math.), that branch of analysis which… …
27Imaginary quantity — Imaginary Im*ag i*na*ry, a. [L. imaginarius: cf. F. imaginaire.] Existing only in imagination or fancy; not real; fancied; visionary; ideal. [1913 Webster] Wilt thou add to all the griefs I suffer Imaginary ills and fancied tortures? Addison.… …
28Positive quantity — Positive Pos i*tive, a. [OE. positif, F. positif, L. positivus. See {Position}.] 1. Having a real position, existence, or energy; existing in fact; real; actual; opposed to negative. Positive good. Bacon. [1913 Webster] 2. Derived from an object… …
29unknown\ quantity — noun Someone or something whose value and importance are not known, especially in a certain situation, time or place; a new and untested person or thing. What we would find if we could fly to the moon is an unknown quantity. The new player is… …
30inspection lot — Certain quantity of a particular item chosen at random for quality testing …