Definition

Noun: A type of closure for a container, typically a bottle or jar, that is removed and replaced by twisting it along a threaded opening.

Usage

A screwtop is the detachable lid or cap that seals a container by means of a screw thread. It is designed to be opened and closed by turning.

Examples

• Noun:
  • This wine has a convenient screwtop instead of a cork.
  • Make sure you tighten the screwtop on the jar so the contents stay fresh.
  • Many modern beverage bottles feature a plastic screwtop.

Advanced Usage

• As a modifier: The term is often used attributively (like an adjective) to describe a container that uses such a closure.
  • I prefer screwtop bottles for everyday wines.
  • The screwtop lid was difficult to open.

Variants and Related Words

• Screw cap (n): A near-synonymous term for a screwtop, often used interchangeably.
  • The medicine bottle had a child-proof screw cap.

Synonyms

• Twist-off cap
• Threaded cap
• Screw-on lid

Notes

The word screwtop specifically refers to the top or cap itself. It is a closed compound word formed from "screw" and "top." Containers described as having a screwtop are considered easy to open and reseal.

Noun

1. the top of a container that must be screwed off and on