DOUBLE a.
, a low, noisy dance. -- Double standard (Polit. Econ.), a double standard of monetary values; i. e., a gold standard and a silver standard, both of which are made legal tender. -- Double star (Astron.), two stars so near to each other as to be seen separate only by means of a telescope. Such stars may be only optica…
EQUATION n.
an ellipse. -- Equations of condition (Math.), equations formed for deducing the true values of certain quantities from others on which they depend, when different sets of the latter, as given by observation, would yield different values of the quantities sought, and the number of equations that may be found is great…
FUNCTION n.
f a circle is a function of the diameter. If x be a symbol to which different numerical values can be assigned, such expressions as x2, 3x, Log. x, and Sin. x, are all functions of x. Algebraic function, a quantity whose connection with the variable is expressed by an equation that involves only the algebraic operation…
HOT a.
hot bars, rails, etc., are laid to cool. -- Hot wall (Gardening), a wall provided with flues for the conducting of heat, to hasten the growth of fruit trees or the ripening of fruit. -- Hot well (Condensing Engines), a receptacle for the hot water drawn from the condenser by the air pump. This water is returned to t…