方ほう位い磁じ針しん

ほ

う

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じ

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Meanings

1

noun

magnetic compass

A compass that uses a magnetic needle to indicate direction. Often used in educational or technical contexts; 方位磁石 (ほういじしゃく) is a common synonym.

方ほう位い磁じ石しゃく
Synonym; 方位磁石 is more common in everyday language, while 方位磁針 is slightly more technical.
コンパス
General loanword for compass; can also refer to a drawing compass. 方位磁針 specifically refers to a magnetic compass for direction.

Compound of 方位 (direction) + 磁針 (magnetic needle).