| 释义 | 
		grad·u·al I. \ˈgraj(ə)wəl, -jəl\ noun also gradu·ale \ˌgrädəˈwä(ˌ)lā; ˈgraj(ə)wəl, -jəl\ (-s) Usage: often capitalized Etymology: Medieval Latin graduale, alteration of Late Latin gradale, from Latin gradus step + -ale (neuter of -alis -al); from its being sung on the steps of the altar — more at grade 1.  : an antiphon or responsory sung or recited with the alleluia or the tract between the Epistle and Gospel originally from the steps of the altar in a Christian church 2.  : a service book containing the musical portion of the mass sung by the choir II. adjective Etymology: Medieval Latin gradualis, from Latin gradus step, degree + -alis -al 1.  : arranged in grades or degrees; also  : admitting of such an arrangement 2.   a.  : proceeding by steps or degrees : advancing step by step (as in ascent or from one state to another)  b.    (1)  : moving, changing, or developing by fine, slight, or often imperceptible gradations or modulations    < a gradual change for the better in the patient's condition >   (2) of an incline  : not steep or abrupt    < a gradual slope >    < a gradual drop down to the town > III. adverb  chiefly dialect  : gradually |