critical+point
51point of no return — The farthest point along a track to which an aircraft can fly and still return to the base with adequate fuel reserves. PNR invariably lies beyond the critical point unless the minimum reserve of fuel is carried. While there are many formulas for …
52point — Synonyms and related words: L, Thule, Ultima Thule, abode, accent, accentuate, ace, acerbity, acidity, acme, acridity, acrimony, aculeate, aculeus, acuminate, acumination, address, advance guard, advantage, affective meaning, aim, aim at, airhead …
53Point (geometry) — In geometry, topology and related branches of mathematics a spatial point describes a specific point within a given space that consists of neither volume, area, length, nor any other higher dimensional analogue. Thus, a point is a 0 dimensional… …
54critical constant — Physics. any of three constants associated with the critical point of a pure element or compound. Cf. critical density, critical pressure, critical temperature. * * * …
55critical density — noun : the density of a substance in its critical state * * * Physics. the density of a pure element or compound at a critical point. Cf. critical constant …
56critical opalescence — noun the milky turbidity observed in a fluid as it is slowly cooled to just above its critical point, at which point two clear phases (gas and liquid) form …
57critical density — Physics. the density of a pure element or compound at a critical point. Cf. critical constant. * * * …
58critical pressure — Physics. the pressure of a pure element or compound at a critical point. Cf. critical constant. [1875 80] * * * …
59critical temperature — Physics. the temperature of a pure element or compound at a critical point. Cf. critical constant. [1865 70] * * * …
60point of no return — Date: 1941 1. the point in the flight of an aircraft beyond which the remaining fuel will be insufficient for a return to the starting point with the result that the craft must proceed 2. a critical point at which turning back or reversal is not… …
