Translation guide
In geometry, a trapezium is a quadrilateral with at least one pair of parallel sides. The Japanese term depends on whether you mean a general trapezoid (US trapezoid) or a specific shape with no parallel sides (UK trapezium).
A quadrilateral with at least one pair of parallel sides. This is the most common meaning in US English and the inclusive definition in UK English.
A trapezium has one pair of parallel sides. · The area of a trapezium is calculated using the formula.
The standard mathematical term for a trapezoid (US) or trapezium (UK) with at least one pair of parallel sides. Used in geometry and everyday contexts.
この図形は台形です。
This shape is a trapezium.
台形の面積を計算してください。
Please calculate the area of the trapezium.
In strict UK usage, a trapezium is a quadrilateral with no parallel sides. This is a less common meaning and may cause confusion.
In British geometry, a trapezium has no parallel sides. · A kite is a type of trapezium in the UK.
A quadrilateral with no parallel sides and all sides of different lengths. This is a technical term and not commonly used outside geometry.
不等辺四辺形は平行な辺を持たない。
A trapezium (UK) has no parallel sides.
A descriptive phrase meaning 'quadrilateral with no parallel sides'. Easier to understand than the technical term.
この四角形は平行な辺がないので、台形ではありません。
This quadrilateral has no parallel sides, so it's not a trapezium (US).
A small bone in the wrist, part of the carpal bones.
The trapezium articulates with the first metacarpal. · Fracture of the trapezium is rare.
The anatomical term for the trapezium bone in the wrist. Used in medical contexts.
大菱形骨は手根骨の一つです。
The trapezium is one of the carpal bones.
In US English, a trapezium is a quadrilateral with no parallel sides, while a trapezoid has at least one pair. In UK English, it's the opposite. Japanese 台形 (daikei) follows the US trapezoid/UK trapezium definition (at least one pair of parallel sides). Be clear about which definition you intend.