“Terrestrial” in Japanese
Short answer
Terrestrial in Japanese is “陸生” (rikusei). Full meaning: terrestrial (life), land-dwelling.
Other ways to say “Terrestrial” in Japanese
テレストリアル
teresutoriaru terrestrial
陸棲
rikusei terrestrial (life), land-dwelling
地上波
chijouha ground wave, terrestrial broadcast signal (i.e. not satellite); terrestrial, over-the-air
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