(North) American and English (United Kingdom) crochet patterns use different terms for several stitches.
| American | English | ||
|---|---|---|---|
| Abbrev. | Term | Term | Abbrev. |
| ch | chain | chain | ch |
| sl st, ss, sl |
slip stitch | slip stitch | sl st, ss, sl |
| sc | single crochet | double crochet | dc |
| hdc | half double crochet | half treble | htr |
| dc | double crochet | treble | tr, tc, trc |
| tr, tc, trc |
treble crochet | double treble | dtr, dble tr |
| dtr, dble tr |
double treble | triple treble | trtr, tr tr |
| yo | yarn over | wool round hook | wrh |
Main source: The Knitting Dictionary: 1030 Stitches and Patterns (Mon Tricot, est. 1972).










very useful precis and to the point. thank you