coil

Everyday

1. A series of rings or loops made by winding something long (a coil of rope). tree →
2. One ring of such a series. tree →
3. A wire wound in rings that carries electricity, as in a heater or electromagnet. tree →
4. To wind something into rings, or to lie in rings (The snake coiled up). tree →

In the lessons

In science: a coil of wire makes an electromagnet stronger with more turns; springs are coils. In nature: a snake coils. In everyday life: coiling a hose or rope. Phrase: coiled spring (ready to jump).

Examples

• The snake lay in a coil on the rock. tree →
• Wind the rope into a neat coil. tree →
• More coils of wire make the electromagnet stronger. tree →
• The kettle has a heating coil inside. tree →
• The cat's tail coiled around its paws. tree →
• A spring is a metal coil. tree →
• And the boy could reef a sail and coil a rope and keep the ship's nose steady before the wind. tree →

Note

Regular verb: coiled. In science problems, «number of coils» or «turns» is something you can count and compare. Similar: loop, curl, spiral.

In Jewish tradition

In science: a coil of wire makes an electromagnet stronger with more turns; springs are coils. In nature: a snake coils. In everyday life: coiling a hose or rope. Phrase: coiled spring (ready to jump).

Note

Regular verb: coiled. In science problems, «number of coils» or «turns» is something you can count and compare. Similar: loop, curl, spiral.