Agitation+of+mind
21Heat rays — Heat Heat (h[=e]t), n. [OE. hete, h[ae]te, AS. h[=ae]tu, h[=ae]to, fr. h[=a]t hot; akin to OHG. heizi heat, Dan. hede, Sw. hetta. See {Hot}.] 1. A force in nature which is recognized in various effects, but especially in the phenomena of fusion… …
22Heat weight — Heat Heat (h[=e]t), n. [OE. hete, h[ae]te, AS. h[=ae]tu, h[=ae]to, fr. h[=a]t hot; akin to OHG. heizi heat, Dan. hede, Sw. hetta. See {Hot}.] 1. A force in nature which is recognized in various effects, but especially in the phenomena of fusion… …
23Imperturbation — Im*per tur*ba tion, n. [L. imperturbatio.] Freedom from agitation of mind; calmness; quietude. W. Montagu. [1913 Webster] …
24Mechanical equivalent of heat — Heat Heat (h[=e]t), n. [OE. hete, h[ae]te, AS. h[=ae]tu, h[=ae]to, fr. h[=a]t hot; akin to OHG. heizi heat, Dan. hede, Sw. hetta. See {Hot}.] 1. A force in nature which is recognized in various effects, but especially in the phenomena of fusion… …
25Perturbation — Per tur*ba tion, n. [L. perturbatio: cf. F. perturbation.] 1. The act of perturbing, or the state of being perturbed; esp., agitation of mind. [1913 Webster] 2. (Astron.) A disturbance in the regular elliptic or other motion of a heavenly body,… …
26Specific heat of a substance at any temperature — Heat Heat (h[=e]t), n. [OE. hete, h[ae]te, AS. h[=ae]tu, h[=ae]to, fr. h[=a]t hot; akin to OHG. heizi heat, Dan. hede, Sw. hetta. See {Hot}.] 1. A force in nature which is recognized in various effects, but especially in the phenomena of fusion… …
27thermodynamic function — Heat Heat (h[=e]t), n. [OE. hete, h[ae]te, AS. h[=ae]tu, h[=ae]to, fr. h[=a]t hot; akin to OHG. heizi heat, Dan. hede, Sw. hetta. See {Hot}.] 1. A force in nature which is recognized in various effects, but especially in the phenomena of fusion… …
28Unit of heat — Heat Heat (h[=e]t), n. [OE. hete, h[ae]te, AS. h[=ae]tu, h[=ae]to, fr. h[=a]t hot; akin to OHG. heizi heat, Dan. hede, Sw. hetta. See {Hot}.] 1. A force in nature which is recognized in various effects, but especially in the phenomena of fusion… …
29tranquil — adjective Etymology: Middle English tranquill, from Latin tranquillus Date: 15th century 1. a. free from agitation of mind or spirit < a tranquil self assurance > b. free from disturbance or turmoil < a tranquil scene > 2. unvarying in aspect ; …
30fret — I. verb (fretted; fretting) Etymology: Middle English, to devour, fret, from Old English fretan to devour; akin to Old High German frezzan to devour, ezzan to eat more at eat Date: 12th century transitive verb 1. a. to eat or gnaw into ; corr …