d (double), 140
data, 121
datum, 279
datum->syntax-object, 197, 205, 209
define, 29, 77, 89
define-integrable, 206
define-object, 238
define-structure, 207
define-syntax, 59, 183, 184, 220
defining syntactic extensions, 58
definitions, 277
defun syntax, 31, 58
delay, 108
delayed evaluation, 238
delq!, 52
denominator, 149
derived expression, 278
describe-segment, 112
display, 178, 228
divisors, 100, 102
do, 101, 201
dot ( . ), 19
dotted pair, 19, 133
double, 26, 31
double quotes, 158
double-any, 29
double-cons, 26, 31
doubler, 31
doubly recursive, 67
dxdy, 111
dynamic allocation, 3
dynamic-wind, 105