ISOMETRIC; ISOMETRICAL a.
rom the fact that the projections of three equal lines, parallel respectively to three rectangular axes, are equal to one another. This kind of projection is principally used in delineating buildings or machinery, in which the principal lines are parallel to three rectangular axes, and the principal planes are parallel…
LOGARITHMIC; LOGARITHMICAL a.
sting of logarithms. Logarithmic curve (Math.), a curve which, referred to a system of rectangular coördinate axes, is such that the ordinate of any point will be the logarithm of its abscissa. -- Logarithmic spiral, a spiral curve such that radii drawn from its pole or eye at equal angles with each other are in conti…
MANDARIN n.
be of Chinese origin, and is counted a distinct species (Citrus nobilis)mandarin orange; tangerine. Mandarin duck (Zoöl.), a beautiful Asiatic duck (Dendronessa galericulata), often domesticated, and regarded by the Chinese as an emblem of conjugal affection. -- Mandarin language, the spoken or colloquial language of…