通信衛星

• 読み: つうしんえいせい
• ローマ字: tsuushin eisei
• 漢字の分解: 通 (tsuu) — pass through; 信 (shin) — message, trust; 衛 (ei) — guard, protect; 星 (sei) — star
• 発音: /t͡sɯː.ɕiɴ.eː.seː/

意味

Communication satellite; Broadcast Satellite (BS). A satellite used for relaying telecommunications and broadcasting signals.

A compound noun: 通信 (tsuushin, communication/telecommunications) + 衛星 (eisei, satellite). Refers to artificial satellites used for relaying TV broadcasts, telephone signals, internet data, and other communications. In Japan, BS (Broadcasting Satellite) channels are received via communication satellites and are distinct from terrestrial broadcasting. Common collocations include 通信衛星を打ち上げる (to launch a communication satellite) and 通信衛星放送 (satellite broadcasting).

例文

1. 新しい通信衛星が来月打ち上げられる予定だ。
2. 通信衛星のおかげで離島でもテレビが見られる。
3. 災害時に通信衛星が重要な役割を果たした。

使い方ガイド

場面: technology, media, science

トーン: neutral

起源と歴史

A compound of two Sino-Japanese words: 通信 (tsuushin; 通 'pass through' + 信 'message') + 衛星 (eisei; 衛 'guard/protect' + 星 'star'). The term 衛星 was coined as a translation of 'satellite' — literally 'a guarding star' orbiting a planet.

文化的背景

時代: Modern

世代: All ages

社会的背景: Universal