noun
umwelt; self-centered world
A technical term in biology and philosophy, referring to the subjective, species-specific perceptual world of an organism. Not used in everyday conversation.
ヤコブ・フォン・ユクスキュルは、生物はそれぞれ独自の環世界を持っていると提唱した。
Jakob von Uexküll proposed that each organism has its own umwelt.