octodecimo

1. Having eighteen leaves to a sheet.

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1. The page size, 4 by 6 1/2 inches, of a book composed of printer's sheets folded into 18 leaves or 36 pages.

2. A book composed of octodecimo pages.

3. A size of a sheet of paper resulting from folding and cutting a sheet of paper into eighteenths (3.5"-4.5" x 4.9"-5.9").

4. A book consisting of pages of that size.

5. A book composed of sheets each of which is folded into eighteen leaves; hence; indicating more or less definitely a size of book, whose sheets are so folded; -- usually written 18mo or 18°, and called eighteenmo.

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Here are some other words you could make with the letters octodecimo

Top Words by points	Points	Word Game
comedic	14	Scrabble

2 Letters	Scrabble® Points
de	3
do	3
ed	3
em	4
et	2
id	3
it	2
me	4
mi	4
mo	4
od	3
oe	2
oi	2
om	4
te	2
ti	2
to	2

3 Letters	Scrabble® Points
cod	6
coo	5
cot	5
die	4
dim	6
dit	4
doc	6
doe	4
dom	6
dot	4
eco	5
emo	5
ice	5
med	6
met	5
mic	7
mid	6
moc	7
mod	6
moi	5
moo	5
mot	5
ode	4
oot	3
tec	5
ted	4
tic	5
tie	3
tod	4
toe	3
tom	5
too	3

4 Letters	Scrabble® Points
cedi	7
cite	6
coco	8
code	7
coed	7
come	8
coot	6
cote	6
deco	7
demo	7
dice	7
diet	5
dime	7
dite	5
doit	5
dome	7
doom	7
dote	5
edit	5
emic	8
emit	6
etic	6
iced	7
idem	7
item	6
mice	8
mite	6
mode	7
modi	7
mood	7
moot	6
mote	6
odic	7
omit	6
otic	6
tide	5
tied	5
time	6
toco	6
toed	5
tome	6
toom	6

5 Letters	Scrabble® Points
cited	8
codec	10
comet	9
comic	11
comte	9
cooed	8
coted	8
demic	10
demit	8
demoi	8
dicot	8
domic	10
edict	8
medic	10
mooed	8
ootid	6
timed	8

6 Letters	Scrabble® Points
coedit	9
comedo	11
cootie	8
decoct	11
medico	11
mooted	9
ticced	11
tomcod	11

7 Letters	Scrabble® Points
comedic	14
cometic	13
demotic	12
docetic	12