A list of master abbreviations commonly used in crochet.
BL – back loop(s)
BP – back post
BPdc – back post double crochet
BPsc – back post single crochet
BPtr – back post treble crochet
CC1 – contrast color 1
CC2 – contrast color 2
ch – chain
dc – double crochet
dc2tog – double crochet 2 stitches together
dec – decrease/decreases/decreasing
dtr – double treble
FL – front loops
FP – front post
FPdc – front post double crochet
FPsc – front post single crochet
FPtr – front post treble crochet
Fsc – foundation single crochet
hdc – half double crochet
inc – increase/increases/increasing
Lp – loop
MC – main color
rd(s) – round
rep – repeat
RS – right side
sc – single crochet
sc2tog – single crochet 2 together
sc dec – single crochet decrease
sk – skip
sl st – slip stitch
sp – space
st – stitch
tbl – through back loop
tch or t-ch – turning chain
tr – treble crochet
trtr – triple treble crochet
tr2tog – treble crochet 2 together
WS – wrong side
yo – yarn over
[ ] or ( ) – work instructions within brackets as many times as directed
*– repeat the instructions following the single asterisk as directed
* * – repeat instructions between asterisks as many times as directed or repeat from a given set of instructions