附錄,附加物
Addendum \Ad*den"dum\, n.; pl. {Addenda}. [L., fr. addere to add.] A thing to be added; an appendix or addition. {Addendum circle} (Mech.), the circle which may be described around a circular spur wheel or gear wheel, touching the crests or tips of the teeth. --Rankine.
addendum n : textual matter that is added onto a publication; usually at the end [syn: {supplement}, {postscript}] [also: {addenda} (pl)]