‖n. [ NL. adynamia, fr. Gr. 'adynami`a lack of strength; 'a priv + dy`namis power, strength. ] (Med.) Considerable debility of the vital powers; asthenia. Dunglison. [ 1913 Webster + AS ]

2. Specifically: (Med) Absence of motor power or force. [ AS ]

a. [ Cf. F. adynamique. See Adynamy. ] 1. (Med.) Pertaining to, or characterized by adynamia; weak. [ 1913 Webster + AS ]

2. (Physics) Characterized by the absence of power or force. [ 1913 Webster ]

Adynamic fevers, malignant or putrid fevers attended with great muscular debility. [ 1913 Webster ]

n. 1. the resistance caused by a gas to the motion of a solid body moving through it. Studied in aerodynamics. [ PJC ]

n. [ Aëro- + dynamics: cf. F. aérodynamique. ] The science which treats of the air and other gaseous bodies under the action of force, and of their mechanical effects. [ 1913 Webster ]

a. [ Aëro- + hydrodynamic. ] Acting by the force of air and water; as, an aërohydrodynamic wheel. [ 1913 Webster ]

a. 1. Pertaining to the force of air in motion. [ 1913 Webster ]

2. having a shape designed to minimize wind resistance (aerodynamic drag) when moving through the air or other gas; -- used especially of vehicles; as, the aerodynamic styling of an automobile. [ PJC ]

a. [ Auto- + dynamic. ] Supplying its own power, as a hydraulic ram. [ Webster 1913 Suppl. ]

{ , a. } 1. (Biol.) Of or pertaining to biodynamics, or the doctrine of vital forces or energy. [ Webster 1913 Suppl. ]

2. of or pertaining to a method of farming that uses only organic fertilizers (rather than chemical fertilizers) and organic materials for improving the soil characteristics. [ PJC ]

n. [ Gr. bi`os life + E. dynamics. ] 1. (Biol.) The doctrine of vital forces or energy. [ archaic ] [ 1913 Webster ]

2. The branch of biology which treats of the active vital phenomena of organisms; -- opposed to biostatics. [ Webster 1913 Suppl. ]

a. [ From Cinnamon. ] (Chem.) Pertaining to, or obtained from, cinnamon. [ 1913 Webster ]

Cinnamic acid (Chem.), a white, crystalline, odorless substance. C6H5.C2H2C2H2.CO2H, formerly obtained from storax and oil of cinnamon, now made from certain benzene derivatives in large quantities, and used for the artificial production of indigo. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. di- = di`s- twice + &unr_; power. ] (Bot.) A Linnæan class of plants having four stamens disposed in pairs of unequal length. [ 1913 Webster ]

‖a. Didynamous. [ 1913 Webster ]

{ } a. [ Gr. &unr_; powerful, fr. &unr_; power, fr. &unr_; to be able; cf. L. durus hard, E. dure: cf. F. dynamique. ] 1. Of or pertaining to dynamics; belonging to energy or power; characterized by energy or production of force. [ 1913 Webster ]

Science, as well as history, has its past to show, -- a past indeed, much larger; but its immensity is dynamic, not divine. J. Martineau. [ 1913 Webster ]

The vowel is produced by phonetic, not by dynamic, causes. J. Peile. [ 1913 Webster ]

2. Relating to physical forces, effects, or laws; as, dynamical geology. [ 1913 Webster ]

As natural science has become more dynamic, so has history. Prof. Shedd. [ 1913 Webster ]

Dynamical electricity. See under Electricity. [ 1913 Webster ]

WordNet lists a number of narrower terms for dynamic and adj. [ Narrower terms: can-do; driving; energizing, energising, kinetic; forceful, slashing, vigorous; projectile; propellant, propellent, propelling, propulsive; renascent, resurgent; self-propelled, self-propelling; high-octane, high-powered, high-power, high-voltage ] [ WordNet 1.5 ]

adv. In accordance with the principles of dynamics or moving forces. J. Peile. [ 1913 Webster ]

n. [ Random Access Memory. ] (Computers) a type of random access memory using circuits that require periodic refresh cycles in order to retain the stored information. Contrasted to static ram, which maintains the memory state as long as the power is still applied. [ acron. ] dynamic RAM is cheaper to manufacture, but because of the need for a refresh cycle, is generally slower to access than static RAM. It is usually implemented in integrated rircuit chips containing thousands to millions of bits of information storage capacity, and is commonly used as the main type of memory circuit in personal computers.
Syn. -- DRAM, D-RAM. [ PJC ]

n. 1. That branch of mechanics which treats of the motion of bodies (Kinematics) and the action of forces in producing or changing their motion (kinetics). Dynamics is held by some recent writers to include statics and not kinematics. [ 1913 Webster ]

2. The moving moral, as well as physical, forces of any kind, or the laws which relate to them. [ 1913 Webster ]

3. (Mus.) That department of musical science which relates to, or treats of, the power of tones. [ 1913 Webster ]

n. [ Cf. F. dynamisme. See Dynamics. ] The doctrine of Leibnitz, that all substance involves force. [ 1913 Webster ]

n. One who accounts for material phenomena by a theory of dynamics. [ 1913 Webster ]

Those who would resolve matter into centers of force may be said to constitute the school of dynamists. Ward (Dyn. Sociol. ). [ 1913 Webster ]

n. A political dynamiter. [ A form found in some newspapers. ] [ 1913 Webster ]

n. [ Gr. &unr_; power. See Dynamic. ] (Chem.) An explosive substance consisting of nitroglycerin absorbed by some inert, porous solid, as infusorial earth, sawdust, etc. It is safer than nitroglycerin, being less liable to explosion from moderate shocks, or from spontaneous decomposition. [ 1913 Webster ]

n. One who uses dynamite; esp., one who uses it for the destruction of life and property. [ 1913 Webster ]

n. Destroying by dynamite, for political ends. [ 1913 Webster ]

Dynamiting is not the American way. The Century. [ 1913 Webster ]

n. The work of dynamiters. [ 1913 Webster ]

[ Gr. &unr_; power. See Dynamic. ] (Homeop.) The act of setting free the dynamic powers of a medicine, as by shaking the bottle containing it. [ 1913 Webster ]

{ } a. (Physics) Pertaining to the movements or force of electric or galvanic currents; dependent on electric force. [ 1913 Webster ]

n. 1. The phenomena of electricity in motion. [ 1913 Webster ]

2. The branch of science which treats of the properties of electric currents; dynamical electricity. [ 1913 Webster ]

n. Same as Hemadynamics. [ 1913 Webster ]

n. [ Hema- + dynamics. ] (Physiol.) The principles of dynamics in their application to the blood; that part of science which treats of the motion of the blood. [ 1913 Webster ]

a. Homodynamous. Quain. [ 1913 Webster ]

{ } a. [ Hydro-, 1 + dynamic, -ical: cf. F. hydrodynamique. ] Pertaining to, or derived from, the dynamical action of water of a liquid; of or pertaining to water power. [ 1913 Webster ]

Hydrodynamic friction, friction produced by the viscosity of a liquid in motion. [ 1913 Webster ]

n. [ Hydro-, 1 + dynamics: cf. F. hydrodynamique. ] That branch of the science of mechanics which relates to fluids, or, as usually limited, which treats of the laws of motion and action of nonelastic fluids, whether as investigated mathematically, or by observation and experiment; the principles of dynamics, as applied to water and other fluids. [ 1913 Webster ]

☞ The word is sometimes used as a general term, including both hydrostatics and hydraulics, together with pneumatics and acoustics. See Hydraulics. [ 1913 Webster ]

a. Unamiable. [ Obs. ] -- In*a"mi*a*ble*ness, n. [Obs.] [1913 Webster]

a. [ L. inamissibilis: cf. F. inamissible. ] Incapable of being lost. [ R. ] Hammond. -- In`a*mis"si*ble*ness, n. [R.] [1913 Webster]

a. [ Iso- + dynamic. ] Of, pertaining to, having, or denoting, equality of force. [ 1913 Webster ]

Isodynamic foods (Physiol.), those foods that produce a similar amount of heat. --
Isodynamic lines (Magnetism), lines on the earth's surface connecting places at which the magnetic intensity is the same. [ 1913 Webster ]

prop. n. (Japanese Mythology) The sister and consort of Izanagi; mother of the islands and gods of Japan. [ WordNet 1.5 ]

n. The study of the interaction of magnetic fields with electrically conductive fluids, such as a plasma or a molten metal. [ WordNet 1.5 ]

n. [ Mon- + amide. ] (Chem.) An amido compound with only one amido group; a monoamide. [ 1913 Webster ]

n. [ Mon- + amine. ] (Chem.) A basic compound containing one amido group; a monoamine; as, methyl amine is a monamine. [ 1913 Webster ]

a. [ Mono- + dynamic. ] Possessing but one capacity or power. “Monodynamic men.” De Quincey. [ 1913 Webster ]

n. The theory that the various forms of activity in nature are manifestations of the same force. G. H. Lewes. A philosophical form of the grand unified theory? [ 1913 Webster +PJC ]

n. [ Myo- + dynamics. ] (Physiol.) The department of physiology which deals with the principles of muscular contraction; the exercise of muscular force or contraction. [ 1913 Webster ]

n. A myodynamometer. [ 1913 Webster ]

n. The amide of niacin (nicotinic acid), called also nicotinamide. It was at one time called vitamin B₃, and can function to relieve nicotinic acid deficiency. Chemical formula C6H6N2O, chemically it is 3-pyridinecarboxamide.
Syn. -- nicotinic acid amide, nicotinamide. [ PJC ]

n. A low stingless nettle (Pilea involucrata) of Central and South America having velvety brownish-green toothed leaves and clusters of small green flowers.
Syn. -- friendship plant, panamiga, Pilea involucrata. [ WordNet 1.5 ]

n. Same as panamica.
Syn. -- friendship plant, panamica, Pilea involucrata. [ WordNet 1.5 ]

n. [ Photo- + dynamics. ] (Plant Physiol.) The relation of light to the movements of plants and their organs; the study of the phenomena of curvatures induced by the stimulus of light. -- Pho`to*dy*nam"ic Pho`to*dy*nam"ic*al a. [ Webster 1913 Suppl. ]

n. [ Sinapis + melamine. ] (Chem.) A bitter white crystalline nitrogenous substance, obtained indirectly from oil of mustard and ammonia; -- called also allyl melamine. [ 1913 Webster ]

a. (Chem.) Of, pertaining to, or designating, an acid amide derivative of succinic acid, obtained as a white crystalline substance, and forming a series of salts. [ 1913 Webster ]

a. [ Gr. &unr_; far + E. dynamic. ] Relating to a system for transmitting power to a distance by means of swiftly moving ropes or cables driving grooved pulleys of large diameter. [ 1913 Webster ]